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# Index: C

C- commands (emacs): 7.3.1. Control-Key Sequences (Unix in a Nutshell)
C and C++ languages
  call-graph profile data: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  compilers: 1.2.1. Solaris Installation Levels and Bundling (Unix in a Nutshell)
  compiling source files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  debugging: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  detecting bugs and errors: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  extracting messages from: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  extracting strings for localization: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  formatting files in: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  symbol cross references: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
C, C++ programming
  cmode mode (vile): 12.10.2. Major Modes (Learning the vi Editor)
  vim editor features: 11.10.2. C and C++ Programming Features (Learning the vi Editor)
c (change) command: 2.3. Simple Edits (Learning the vi Editor)
  2.3.3. Changing Text (Learning the vi Editor)
  cc command: 2.3.3.2. Lines (Learning the vi Editor)
  cw command: 2.3.3.1. Words (Learning the vi Editor)
  examples of use: 2.6. Review of Basic vi Commands (Learning the vi Editor)
    4.1. More Command Combinations (Learning the vi Editor)
  review examples of: 3.3.1.1. Changing through searching (Learning the vi Editor)
c command (sed): 5.5. Append, Insert, and Change (sed & awk)
  10.5. Alphabetical Summary of sed Commands (Unix in a Nutshell)
-c command-line option: 4.2.1. Advancing to a Specific Place (Learning the vi Editor)
C compiler: 4. Compiling Source Code (Mac OS X for Unix Geeks)
  4.1. Compiler Differences (Mac OS X for Unix Geeks)
C compilers: 4.5.3. Pattern-Matching Operators (Learning the Korn Shell)
  5.1.4.1. String comparisons (Learning the Korn Shell)
  6.1.3. getopts (Learning the Korn Shell)
  as pipelines: 7.3.4.1. The C compiler as pipeline (Learning the Korn Shell)
  options for: 6.1.3.1. More about C compilers (Learning the Korn Shell)
C (csh) shell: 1.1.3. The Unix Shell (Learning Unix)
c function (for changing directories): 31.10. cd by Directory Initials (Unix Power Tools)
-c grep option: 5.2.1. grep (Learning Unix)
C language
  C mode for programming in Emacs: 19.2. Emacs Features: A Laundry List (Unix Power Tools)
  csh shell: 1.6. There Are Many Shells (Unix Power Tools)
    1.6. There Are Many Shells (Unix Power Tools)
  interoperability of programs on different Unix systems: 1.3. The Core of Unix (Unix Power Tools)
  lexical analyzer for syntax checking: 16.8. Looking for Closure (Unix Power Tools)
  program file extensions: 1.12. Filename Extensions (Unix Power Tools)
    1.12. Filename Extensions (Unix Power Tools)
  tcsh shell: 1.6. There Are Many Shells (Unix Power Tools)
    1.6. There Are Many Shells (Unix Power Tools)
-c option (elvis): 10.2. Important Command-Line Arguments (Learning the vi Editor)
-c option (nvi): 9.2. Important Command-Line Arguments (Learning the vi Editor)
c option (:s command): 6.1. Confirming Substitutions (Learning the vi Editor)
-c option to ulimit command: 10.2.2. ulimit (Learning the Korn Shell)
-c option (vim): 11.2. Important Command-Line Arguments (Learning the vi Editor)
C pointers, size of: 4.3. Architectural Issues (Mac OS X for Unix Geeks)
C programming language: 1.3. History of Unix Shells (Learning the Korn Shell)
  1.6.2. Filenames and Wildcards (Learning the Korn Shell)
  4. Basic Shell Programming (Learning the Korn Shell)
  6.2.2. Arithmetic Conditionals (Learning the Korn Shell)
  break statement and: 5.4. select (Learning the Korn Shell)
  case statement and: 5.3. case (Learning the Korn Shell)
  code blocks and: 7.2.3.3. Code blocks (Learning the Korn Shell)
  for loop and: 5.2. for (Learning the Korn Shell)
  vs. assembly language: 5.1.4.2. About C compilers (Learning the Korn Shell)
  while loop and: 5.5. while and until (Learning the Korn Shell)
C shell (see csh): 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
  1.3.2. Features of the Korn Shell (Learning the Korn Shell)
  1.4. Getting the 1993 Korn Shell (Learning the Korn Shell)
  4.7. Advanced Examples: pushd and popd (Learning the Korn Shell)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  27.1. What the Shell Does (Unix Power Tools)
  27.3.3. Types of Shells (Unix Power Tools)
  27.6. Controlling Shell Command Searches (Unix Power Tools)
  (see also shell scripts; shells; tcsh shell)
  { } (pattern-expansion characters), building strings with: 28.4. Build Strings with { } (Unix Power Tools)
  { and } and ; (with find command): 9.9. Running Commands on What You Find (Unix Power Tools)
  !^ and !$, specifying first and last arguments on previous line: 32.5. Regular Expressions: The Anchor Characters ^ and $ (Unix Power Tools)
  aliases: 29.2. Introduction to Shell Aliases (Unix Power Tools)
    if-then-else in: 29.9. How to Put if-then-else in a C-Shell Alias (Unix Power Tools)
    with command-line arguments: 29.3. C-Shell Aliases with Command-Line Arguments (Unix Power Tools)
  arrays: 9.23.1. Using the Stored Lists (Unix Power Tools)
    expanding ranges: 9.23.2. Expanding Ranges (Unix Power Tools)
  avoiding alias loops: 29.8. Avoiding C-Shell Alias Loops (Unix Power Tools)
  background processing: 23.2.2. Using Job Control from Your Shell (Unix Power Tools)
  built-in string operators: 4.6. Faster Prompt Setting with Built-ins (Unix Power Tools)
  choosing among built-in commands, external commands, or shell functions: 27.10. Which One Will the C Shell Use? (Unix Power Tools)
  command history (see history of commands)
  command substitution and: 4.6. Command Substitution (Learning the Korn Shell)
  configuration files: 3.8. Setup Files Aren't Read When You Want? (Unix Power Tools)
    aliases: 3.5. What Goes in Shell Setup Files? (Unix Power Tools)
  csh command name: 5.6.5. Aborting Programs (Unix Power Tools)
  .cshrc file: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
  current directory, updating in status line: 4.8. Session Info in Window Title or Status Line (Unix Power Tools)
  defining variables: 35.9. Shell Variables (Unix Power Tools)
  editing history and variable substitutions: 28.5. String Editing (Colon) Operators (Unix Power Tools)
  environment variables, unsetting: 35.3. What Environment Variables Are Good For (Unix Power Tools)
  eval command: 5.3. Setting the Terminal Type When You Log In (Unix Power Tools)
  exit status of previous command: 35.12. Exit Status of Unix Processes (Unix Power Tools)
  filename completion and: 2.3.5. Filename and Variable Completion and Expansion (Learning the Korn Shell)
  forcing to use internal exit command: 3.8. Setup Files Aren't Read When You Want? (Unix Power Tools)
  foreach loop: 28.9.1. A foreach Loop (Unix Power Tools)
  globbing (wildcard expansion): 33.2. Filename Wildcards in a Nutshell (Unix Power Tools)
  :gt operator: 4.14. dirs in Your Prompt: Better Than $cwd (Unix Power Tools)
  history (see history of commands)
  history characters: 30.15. Changing History Characters with histchars (Unix Power Tools)
  history file: 30.12.2. C Shells (Unix Power Tools)
  history mechanism in: 2. Command-Line Editing (Learning the Korn Shell)
    2.1. Enabling Command-Line Editing (Learning the Korn Shell)
    2.5. The hist Command (Learning the Korn Shell)
  ignoreeof shell variable: 4.19. Stop Accidental Bourne-Shell Logouts (Unix Power Tools)
  limiting file size: 15.5.1. limit and ulimit (Unix Power Tools)
  .login file, TERM variable, testing: 3.11. Terminal Setup: Testing TERM (Unix Power Tools)
  .logout file: 4.17. Running Commands When You Log Out (Unix Power Tools)
  multiline commands: 28.12. Multiline Commands, Secondary Prompts (Unix Power Tools)
  passing command history to: 30.13. Pass History to Another Shell (Unix Power Tools)
  port, testing: 3.13. Terminal Setup: Testing Port (Unix Power Tools)
  prompt
    % in: 1.7. Which Shell Am I Running? (Unix Power Tools)
    problems caused by: 4.5. C-Shell Prompt Causes Problems in vi, rsh, etc. (Unix Power Tools)
    setting: 4.2. Static Prompts (Unix Power Tools)
  pushd and popd commands in: 4.7. Advanced Examples: pushd and popd (Learning the Korn Shell)
  quotation marks around filenames: 10.9. Renaming, Copying, or Comparing a Set of Files (Unix Power Tools)
  quoting in: 27.13. Differences Between Bourne and C Shell Quoting (Unix Power Tools)
    here documents: 27.16. Here Documents (Unix Power Tools)
    rules for: 27.13.2. How Quoting Works (Unix Power Tools)
    showing with verbose and echo settings: 27.15. Verbose and Echo Settings Show Quoting (Unix Power Tools)
    special characters: 27.13.1. Special Characters (Unix Power Tools)
    special characters in filenames: 27.14. Quoting Special Characters in Filenames (Unix Power Tools)
  redirecting standard I/O: 43.1. Using Standard Input and Output (Unix Power Tools)
    43.5. Redirection in C Shell: Capture Errors, Too? (Unix Power Tools)
    noclobber variable: 43.6. Safe I/O Redirection with noclobber (Unix Power Tools)
  rehash command: 7.4. A bin Directory for Your Programs and Scripts (Unix Power Tools)
    27.6. Controlling Shell Command Searches (Unix Power Tools)
  repeating commands with repeat command: 28.8. Repeating Commands (Unix Power Tools)
  script file extension: 1.12. Filename Extensions (Unix Power Tools)
  search path for commands, changing: 27.6. Controlling Shell Command Searches (Unix Power Tools)
  sed newlines quoting and backslashes in shell script: 34.24. sed Newlines, Quoting, and Backslashes in a Shell Script (Unix Power Tools)
  set echo verbose command: 5.6. Checklist: Terminal Hangs When I Log In (Unix Power Tools)
  setuid shell scripts and: 10.4.4. Setuid and Privileged Mode (Learning the Korn Shell)
  special characters/operators in: 27.17. "Special" Characters and Operators (Unix Power Tools)
  su -f stucklogin command: 5.6. Checklist: Terminal Hangs When I Log In (Unix Power Tools)
cable modems
  DHCP and: 46.10. Dynamic Host Configuration Protocol (DHCP) (Unix Power Tools)
  firewalls: 46.12. Firewalls (Unix Power Tools)
  gateways: 46.11. Gateways and NAT (Unix Power Tools)
cache, DNS: 46.9. Domain Name Service (DNS) (Unix Power Tools)
cal command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
:calc command (elvis): 10.10. Interesting Features (Learning the vi Editor)
calculator commands
  bc command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  dc command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
calculator, dc command for: 1.6.10. Miscellaneous Tools (Mac OS X for Unix Geeks)
calculator, elvis: 10.10. Interesting Features (Learning the vi Editor)
calculator programs for X: 2.3.2. Terminal Windows (Learning Unix)
calendar command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
calendars: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
call-graph profile data: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
calling out (cu command): B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
cancel command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
cancel command (System V): 45.2.2. lp-Style Printing Commands (Unix Power Tools)
cancel program: 4.5.3.2. cancel and lprm (Learning Unix)
canceling commands (emacs): 7.2.5. Stopping and Undoing Commands (Unix in a Nutshell)
cancelling
  background processes: 7.3. Cancelling a Process (Learning Unix)
  foreground processes: 7. Multitasking (Learning Unix)
  print jobs: 4.5.3.2. cancel and lprm (Learning Unix)
canonical hostname: 46.3. Status and Troubleshooting (Unix Power Tools)
capitalization (see case)
  16.2. Check Spelling Interactively with ispell (Unix Power Tools)
capitalization, converting: 5.7. Transform (sed & awk)
  6.3.1. A Capital Transformation (sed & awk)
  9.2. String Functions (sed & awk)
  9.2.4. Converting Case (sed & awk)
capitals, changing to lowercase: 2.3.4. Changing Case (Learning the vi Editor)
  6.3.3. Metacharacters Used in Replacement Strings (Learning the vi Editor)
CAPS LOCK key: 6.1. Defining Keys and Button Presses with xmodmap (Unix Power Tools)
  18.10. Typing in Uppercase Without CAPS LOCK (Unix Power Tools)
  2.5.1. Problem Checklist (Learning the vi Editor)
capturing in patterns: 41.7. Perl Boot Camp, Part 4: Pattern Matching (Unix Power Tools)
^ (caret)
  [^ ] filename wildcard: 33.2. Filename Wildcards in a Nutshell (Unix Power Tools)
  ^[ (ESC character): 8.6.1. Trying It (Unix Power Tools)
  ^^ sequence in history substitution: 30.5. My Favorite Is ^^ (Unix Power Tools)
  beginning of line anchor in regular expressions: 32.4. Using Metacharacters in Regular Expressions (Unix Power Tools)
    32.5. Regular Expressions: The Anchor Characters ^ and $ (Unix Power Tools)
  beginning of line indicator in various utilities: 32.5. Regular Expressions: The Anchor Characters ^ and $ (Unix Power Tools)
  cursor movement command: 3.1.5.1. Movement on the current line (Learning the vi Editor)
    3.1.5.1. Movement on the current line (Learning the vi Editor)
  cutting or copying text in pico: 4.3.2.1. Pico tour (Learning Unix)
  exclusive OR operator: 4.4.1. Operators (Unix in a Nutshell)
    5.4.1.3. Bitwise and logical operators (Unix in a Nutshell)
  exponentiation operator: 11.5. Operators (Unix in a Nutshell)
  filename wildcard: 33.2. Filename Wildcards in a Nutshell (Unix Power Tools)
  in control keys: 5.8. Setting Your Erase, Kill, and Interrupt Characters (Unix Power Tools)
  metacharacter: 6.3.1. Search Patterns (Unix in a Nutshell)
    6.3.1. Search Patterns (Unix in a Nutshell)
    6.3.1. Metacharacters Used in Search Patterns (Learning the vi Editor)
    6.3.1. Metacharacters Used in Search Patterns (Learning the vi Editor)
  regular expression metacharacter
    matching at beginning of line (Perl): 41.7. Perl Boot Camp, Part 4: Pattern Matching (Unix Power Tools)
    matching newline at the beginning of a multiline pattern space: 34.16. Making Edits Across Line Boundaries (Unix Power Tools)
    negating character classes with: 32.18. Limiting the Extent of a Match (Unix Power Tools)
    use in Unix programs: 32.20. Valid Metacharacters for Different Unix Programs (Unix Power Tools)
    within [ ] metacharacters: 32.9. Regular Expressions: Exceptions in a Character Set (Unix Power Tools)
  representing CTRL key: 0.. Keystrokes (Learning the vi Editor)
    0.. Keystrokes (Learning the vi Editor)
    (see also CTRL- commands)
    0.. Keystrokes (Learning the vi Editor)
    0.. Keystrokes (Learning the vi Editor)
    (see also CTRL- commands)
  within [] metacharacters: 6.3.1. Metacharacters Used in Search Patterns (Learning the vi Editor)
    6.3.1. Metacharacters Used in Search Patterns (Learning the vi Editor)
  ^xy^yx, shorthand substitution command: 30.8. History Substitutions (Unix Power Tools)
  ^= assignment operator: 4.4.1. Operators (Unix in a Nutshell)
    5.4.1.1. Assignment operators (Unix in a Nutshell)
    11.5. Operators (Unix in a Nutshell)
caret character (^)
  as bitwise operator: 6.2. Numeric Variables and Arithmetic (Learning the Korn Shell)
  as command: 2.4.1. Simple Control Mode Commands (Learning the Korn Shell)
  matching beginning of line in regular expressions: 10.1. Installing the Korn Shell as the Standard Shell (Learning the Korn Shell)
  search commands and: 2.3.4. Moving Around in the History File (Learning the Korn Shell)
Carnegie Mellon University, Mach developed by: 2. Startup (Mac OS X for Unix Geeks)
carriage returns
  Macintosh, ASCII character for: 1.8. Anyone Can Program the Shell (Unix Power Tools)
  translating to newlines: 21.11. Hacking on Characters with tr (Unix Power Tools)
case
  case-insensitive searches, faking: 13.12. Faking Case-Insensitive Searches (Unix Power Tools)
  case-insensitive sorts: 22.6.3. Case-Insensitive Sorts (Unix Power Tools)
  case sensitivity: 1.11. Filenames (Unix Power Tools)
  converting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  converting to/from uppercase or lowercase: 21.11. Hacking on Characters with tr (Unix Power Tools)
    (see also tr command)
    awk utility: 20.10.7. Alphabetical Summary of Commands (Unix Power Tools)
    dd utility: 21.13. Text Conversion with dd (Unix Power Tools)
    filtering vi text through tr command: 17.18. Filtering Text Through a Unix Command (Unix Power Tools)
    sed transform command: 34.15. Transforming Part of a Line (Unix Power Tools)
  emacs commands for: 7.2.7. Capitalization Commands (Unix in a Nutshell)
  ispell program and: 16.2. Check Spelling Interactively with ispell (Unix Power Tools)
  :l operator: 28.5. String Editing (Colon) Operators (Unix Power Tools)
  lc operator: 41.5.1. Scalars (Unix Power Tools)
  sort command, sort order: 22.5. Alphabetic and Numeric Sorting (Unix Power Tools)
  :u operator: 28.5. String Editing (Colon) Operators (Unix Power Tools)
  uc operator: 41.5.1. Scalars (Unix Power Tools)
  uppercase letters in vi character and line commands: 17.26. vi Line Commands Versus Character Commands (Unix Power Tools)
  uppercase without CAPS LOCK in vi: 18.10. Typing in Uppercase Without CAPS LOCK (Unix Power Tools)
  vi and ex editors, capitalizing words: 17.16. Capitalizing Every Word on a Line (Unix Power Tools)
case-changing commands (emacs-mode): 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
case command: 4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
  5.8. Built-in C Shell Commands (Unix in a Nutshell)
case, converting: 2.3.4. Changing Case (Learning the vi Editor)
  6.3.3. Metacharacters Used in Replacement Strings (Learning the vi Editor)
case insensitivity: 2.5.1. Problem Checklist (Learning the vi Editor)
case sensitivity: 3.1. That's an Expression (sed & awk)
  9.2.4. Converting Case (sed & awk)
  1. The vi Text Editor (Learning the vi Editor)
  1.1.1. Opening a File (Learning the vi Editor)
  6.3.3. Metacharacters Used in Replacement Strings (Learning the vi Editor)
  case-insensitive pattern searches: 7.1.1. The :set Command (Learning the vi Editor)
  character classes for: 3.2.4. Character Classes (sed & awk)
  IGNORECASE variable (gawk): 11.2.3.8. Additional variables (sed & awk)
  pattern searching: 7.1.4. Some Useful Options (Learning the vi Editor)
  variable names: 7.6. Expressions (sed & awk)
case-sensitivity of Unix systems: 1.1. Working in the Unix Environment (Learning Unix)
case statement: 5. Flow Control (Learning the Korn Shell)
  5.3. case (Learning the Korn Shell)
  I/O redirection and: 7.2.3.2. I/O redirection and multiple commands (Learning the Korn Shell)
  shift command and: 6.1.1. shift (Learning the Korn Shell)
  syntax for: 5.3. case (Learning the Korn Shell)
case statements: 3.10. Automatic Setups for Different Terminals (Unix Power Tools)
  3.10. Automatic Setups for Different Terminals (Unix Power Tools)
  adding to .profile to test TERM variable: 3.11. Terminal Setup: Testing TERM (Unix Power Tools)
  debugging: 37.1.4. Missing or Extra esac, ;;, fi, etc. (Unix Power Tools)
  port, testing: 3.13. Terminal Setup: Testing Port (Unix Power Tools)
  testing exit status for commands: 35.13. Test Exit Status with the if Statement (Unix Power Tools)
  testing pathnames for calling a script: 36.8. Save Disk Space and Programming: Multiple Names for a Program (Unix Power Tools)
  testing tty name: 4.6. Faster Prompt Setting with Built-ins (Unix Power Tools)
  testing two strings using: 36.25. Testing Two Strings with One case Statement (Unix Power Tools)
  in while loop, handling arguments with: 35.22. Handling Arguments with while and shift (Unix Power Tools)
  wildcard pattern matching: 35.11. Pattern Matching in case Statements (Unix Power Tools)
  in xmessage command line: 36.26. Outputting Text to an X Window (Unix Power Tools)
cat command: 1.7.1. Standard I/O (Learning the Korn Shell)
  1.7.2. I/O Redirection (Learning the Korn Shell)
  1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  1.4. Communication with Unix (Unix Power Tools)
  12.2. What Good Is a cat? (Unix Power Tools)
  -e option, marking ends of lines with $: 8.11. Can't Access a File? Look for Spaces in the Name (Unix Power Tools)
  -n option: 12.13. Numbering Lines (Unix Power Tools)
  -s option, squashing extra blank lines: 12.7. Squash Extra Blank Lines (Unix Power Tools)
  -t and -e options, displaying whitespace: 12.4. Show Nonprinting Characters with cat -v or od -c (Unix Power Tools)
  -v -e options: 32.5. Regular Expressions: The Anchor Characters ^ and $ (Unix Power Tools)
  -v -t and -e options, displaying whitespace: 12.5. What's in That Whitespace? (Unix Power Tools)
  -v option: 8.6.1. Trying It (Unix Power Tools)
    12.4. Show Nonprinting Characters with cat -v or od -c (Unix Power Tools)
  creating mail header with: 21.12.2. MIME Encoding (Unix Power Tools)
  exit status, testing: 35.14. Testing Your Success (Unix Power Tools)
  file, adding to end of another file: 27.4. Command Evaluation and Accidentally Overwriting Files (Unix Power Tools)
  for loops combined with: 36.11. Standard Input to a for Loop (Unix Power Tools)
  kshdb debugging tool and: 9.2.1.1. The driver script (Learning the Korn Shell)
  redirecting I/O: 43.2. One Argument with a cat Isn't Enough (Unix Power Tools)
  sending email and: 8.4.1. Traps and Functions (Learning the Korn Shell)
  starting pipelines: 43.2. One Argument with a cat Isn't Enough (Unix Power Tools)
cat program: 5.1.1.1. cat (Learning Unix)
cb command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
CBLKWID (comment block width) environment variable: 21.4.1. The recomment Script (Unix Power Tools)
cc command: 2.4.3. Deletion Commands (Learning the Korn Shell)
  1.6.1. Standard Unix Development Tools (Mac OS X for Unix Geeks)
  4.2.3. Supported Languages (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
:cc command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
C/C++ comments, placing (example): 7.3.5. More Examples of Mapping Keys (Learning the vi Editor)
cc compiler: 4.1. Compiler Differences (Mac OS X for Unix Geeks)
  special flags for: 5.3. Shared Libraries Versus Loadable Modules (Mac OS X for Unix Geeks)
:cc command (elvis): 10.9.1. Edit-Compile Speedup (Learning the vi Editor)
ccprg option (elvis): 10.9.1. Edit-Compile Speedup (Learning the vi Editor)
cd (change directory) command: 3.1.6.2. cd (Learning Unix)
  FTP: 6.4.2.1. Command-line ftp (Learning Unix)
cd command: 1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
  5.8. Built-in C Shell Commands (Unix in a Nutshell)
  1.9. Internal and External Commands (Unix Power Tools)
  4.8. Session Info in Window Title or Status Line (Unix Power Tools)
  31.3. What Good Is a Current Directory? (Unix Power Tools)
  aliases for: 31.9. Quick cds with Aliases (Unix Power Tools)
  cdpath variable and: 31.5. Saving Time When You Change Directories: cdpath (Unix Power Tools)
  +n and -n options (zsh): 31.7. The Shells' pushd and popd Commands (Unix Power Tools)
  PWD environment variable and: 35.5. Predefined Environment Variables (Unix Power Tools)
cd commands: 1.6.1.3. Changing working directories (Learning the Korn Shell)
  cd - and: 1.6.1.3. Changing working directories (Learning the Korn Shell)
    vs. stacks: 4.7. Advanced Examples: pushd and popd (Learning the Korn Shell)
  restricted shell and: 10.4.2. Restricted Shell (Learning the Korn Shell)
CD-ROM, ejecting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
CD-ROMs: 44.1. Quick Introduction to Hardware (Unix Power Tools)
  cdrom protocol: 40.6.1. Configuring the sources.list File (Unix Power Tools)
  loopback mounts: 44.7. Loopback Mounts (Unix Power Tools)
  mounting: 44.5. Filesystem Types and /etc/fstab (Unix Power Tools)
    44.6. Mounting and Unmounting Removable Filesystems (Unix Power Tools)
cdable_vars shell variable: 31.12. Marking Your Place with a Shell Variable (Unix Power Tools)
cdc command (SCCS): 18.6. Alphabetical Summary of SCCS Commands (Unix in a Nutshell)
CDE (Common Desktop Environment): 2.. Common Desktop Environment (Unix in a Nutshell)
CDPATH environment variable: 31.5. Saving Time When You Change Directories: cdpath (Unix Power Tools)
cdpath shell variable: 5.3.3. Predefined Shell Variables (Unix in a Nutshell)
  31.5. Saving Time When You Change Directories: cdpath (Unix Power Tools)
CDPATH variable: 3.4.2.9. Directory search path (Learning the Korn Shell)
cedit option (nvi): 9.8.1. Command-Line History and Completion (Learning the vi Editor)
centering lines, script for: 21.8. Centering Lines in a File (Unix Power Tools)
centering (see alignment/positioning)
central processing units (CPUs): 8.5.2. Advantages and Disadvantages of Coroutines (Learning the Korn Shell)
CERT
  intruder detection checklist: 48.7. Intruder Detection (Unix Power Tools)
  safely setting up anonymous FTP, guide for: 46.7. Configuring an Anonymous FTP Server (Unix Power Tools)
  security checklists: 48.2. CERT Security Checklists (Unix Power Tools)
  security vulnerabilities, information about: 48.3. Keeping Up with Security Alerts (Unix Power Tools)
:cfile (:cf) command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
cflow command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
CGI scripts, Python module for: 42.4. Python and the Web (Unix Power Tools)
  42.8. cgi (Unix Power Tools)
cgrep script: 13.9. A Multiline Context grep Using sed (Unix Power Tools)
  34.18. Searching for Patterns Split Across Lines (Unix Power Tools)
chain of processes to a window: 24.20. The Process Chain to Your Window (Unix Power Tools)
change command (see c command (sed))
change command (ex): 9.2. Alphabetical Summary of ex Commands (Unix in a Nutshell)
  20.4. Useful ex Commands (Unix Power Tools)
change times for files: 8.2. The Three Unix File Times (Unix Power Tools)
  inode information: 8.3. Finding Oldest or Newest Files with ls -t and ls -u (Unix Power Tools)
    find -ctime, accessing with: 9.5. Searching for Old Files (Unix Power Tools)
changing directory: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
changing (replacing) text: 2.3. Simple Edits (Learning the vi Editor)
  2.3.3. Changing Text (Learning the vi Editor)
  by characters: 2.3.3.3. Characters (Learning the vi Editor)
  globally: 6. Global Replacement (Learning the vi Editor)
    confirming substitutions: 6.1. Confirming Substitutions (Learning the vi Editor)
    context sensitivity: 6.2. Context-Sensitive Replacement (Learning the vi Editor)
    replacement-string metacharacters: 6.3.3. Metacharacters Used in Replacement Strings (Learning the vi Editor)
    substitution tricks: 6.3.4. More Substitution Tricks (Learning the vi Editor)
  by lines: 2.3.3.2. Lines (Learning the vi Editor)
    2.3.3.4. Substituting text (Learning the vi Editor)
  searching and: 3.3.1.1. Changing through searching (Learning the vi Editor)
  by words: 2.3.3.1. Words (Learning the vi Editor)
channel operators (Ops): 6.7.2.1. Introducing IRC (Learning Unix)
character-based user interfaces: 1. Korn Shell Basics (Learning the Korn Shell)
character classes: 3.2.4. Character Classes (sed & awk)
  4.2.2. Filename Metacharacters (Unix in a Nutshell)
  6.3.1. Search Patterns (Unix in a Nutshell)
  6.3.2. POSIX Bracket Expressions (Learning the vi Editor)
  for ASCII characters: 5.14. Defining What Makes Up a Word for Selection Purposes (Unix Power Tools)
  defining in Perl regular expressions: 41.7. Perl Boot Camp, Part 4: Pattern Matching (Unix Power Tools)
character commands in vi: 17.26. vi Line Commands Versus Character Commands (Unix Power Tools)
character-finding commands: 2.4.5. Character-Finding Commands (Learning the Korn Shell)
character sets: 1.6.2. Filenames and Wildcards (Learning the Korn Shell)
character sets, converting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
character sets (in regular expressions): 32.4. Using Metacharacters in Regular Expressions (Unix Power Tools)
  exceptions to, indicating with [^ ]: 32.9. Regular Expressions: Exceptions in a Character Set (Unix Power Tools)
  matching a character with: 32.6. Regular Expressions: Matching a Character with a Character Set (Unix Power Tools)
  repeating with *: 32.10. Regular Expressions: Repeating Character Sets with * (Unix Power Tools)
"Character special file" message: 1.1.2. Problems Opening Files (Learning the vi Editor)
character strings: 36.23.4. Using sed (Unix Power Tools)
  3.3. Movement by Searches (Learning the vi Editor)
characters: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  2.6. Review of Basic vi Commands (Learning the vi Editor)
  (see also lines; text; words)
  ASCII character set: A. ASCII Character Set (Unix in a Nutshell)
  buffer block size: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  case conversions: 2.3.4. Changing Case (Learning the vi Editor)
    6.3.3. Metacharacters Used in Replacement Strings (Learning the vi Editor)
  converting DOS to ISO: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  converting ISO to DOS: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  converting with tr command: 1.8. Anyone Can Program the Shell (Unix Power Tools)
  counting in files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  counting with tail -c command: 12.9. Finer Control on tail (Unix Power Tools)
  counting with wc command: 16.6. Counting Lines, Words, and Characters: wc (Unix Power Tools)
    16.6. Counting Lines, Words, and Characters: wc (Unix Power Tools)
  deleting: 2.1. vi Commands (Learning the vi Editor)
    2.3.5.3. Characters (Learning the vi Editor)
  deleting from a file with dd: 21.6. Low-Level File Butchery with dd (Unix Power Tools)
  deleting in Emacs: 19.1. Emacs: The Other Editor (Unix Power Tools)
  Greek (eqn preprocessor): 17.2.5. Greek Characters (Unix in a Nutshell)
  hiding special: 12.3.1. How to Hide a Special Character (sed & awk)
  marking with ` (vile): 12.8.7. Visual Mode (Learning the vi Editor)
  matching (see metacharacters)
  matching at word start/end: 3.2.11. What's the Word? Part II (sed & awk)
  mathematical (eqn preprocessor): 17.2.3. Mathematical Characters (Unix in a Nutshell)
  measured span of: 3.2. A Line-Up of Characters (sed & awk)
    3.2.8. A Span of Characters (sed & awk)
  metacharacters (see metacharacters)
  moving by: 2.2.1. Single Movements (Learning the vi Editor)
  newline (see newline characters)
  nonprintable
    displaying with od c command: 12.4. Show Nonprinting Characters with cat -v or od -c (Unix Power Tools)
  nonprinting: 8.12. Showing Nonprintable Characters in Filenames (Unix Power Tools)
    (see also special characters)
    showing with cat -v or od -c: 12.4. Show Nonprinting Characters with cat -v or od -c (Unix Power Tools)
  nroff/troff requests for: 12.5.5. Font and Character Size (Unix in a Nutshell)
  range of (see character classes)
  ranges of, specifying for regular expressions: 32.8. Regular Expressions: Specifying a Range of Characters with [...] (Unix Power Tools)
  replacing (changing) singly: 2.3.3.3. Characters (Learning the vi Editor)
  searching for in lines: 3.3.2. Current Line Searches (Learning the vi Editor)
  space (see space characters)
  special (see special characters)
  stripping non-printable nroff: 5.6.1. Stripping Out Non-Printable Characters from nroff Files (sed & awk)
  translating with tr command: 21.11. Hacking on Characters with tr (Unix Power Tools)
  transposing: 2.3.6.1. Transposing two letters (Learning the vi Editor)
characters, positioning commands for (vi mode): 1.5.3.2. vi mode (Mac OS X for Unix Geeks)
characters, special (see special characters)
charClass resource (xterm): 5.14. Defining What Makes Up a Word for Selection Purposes (Unix Power Tools)
charityware, vim as: 11.10.1. vim Is Charityware (Learning the vi Editor)
chat (interactive): 6.7. Interactive Chat (Learning Unix)
chattr program (Linux): 3.3.4. More Protection Under Linux (Learning Unix)
chdir command: 5.8. Built-in C Shell Commands (Unix in a Nutshell)
check pseudo-command (sccs): 18.7.2. Pseudo-Commands (Unix in a Nutshell)
checkeq command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
checking in files: 18.3.2. Retrieving a File (Unix in a Nutshell)
  18.6. Alphabetical Summary of SCCS Commands (Unix in a Nutshell)
  19.2. Basic Operation (Unix in a Nutshell)
  19.5. Alphabetical Summary of Commands (Unix in a Nutshell)
checking out files: 18.6. Alphabetical Summary of SCCS Commands (Unix in a Nutshell)
  19.2. Basic Operation (Unix in a Nutshell)
  19.5. Alphabetical Summary of Commands (Unix in a Nutshell)
checknr command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
checkout command (co) in RCS: 39.5. RCS Basics (Unix Power Tools)
checkout, CVS repository: 39.7. CVS Basics (Unix Power Tools)
:checkpath (:che) command (vim): 11.10.2.2. Include file searching (Learning the vi Editor)
checksed script: 34.4.1. checksed (Unix Power Tools)
checksum, cksum command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
checksum, calculating: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
chess script: 28.18.2. Automating /bin/passwd (Unix Power Tools)
chflags command: 1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
chgrp command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  1.17. File Access Permissions (Unix Power Tools)
chgrp program: 3.3.5. Changing Group and Owner (Learning Unix)
child directories (subdirectories): 3.1.3. The Directory Tree (Learning Unix)
child processes: 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
  changes to environment of: 24.4. Subshells (Unix Power Tools)
  environment variables, inheritance of: 35.3. What Environment Variables Are Good For (Unix Power Tools)
  exit status returned to parent: 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
  file descriptors given to: 36.15. Overview: Open Files and File Descriptors (Unix Power Tools)
  killing parent of: 24.12. Destroying Processes with kill (Unix Power Tools)
  relationship to parent: 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
  signals and: 24.11. Killing Foreground Jobs (Unix Power Tools)
child signal: 24.10. What Are Signals? (Unix Power Tools)
chkey command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  (see also keylogin command; key-logout command)
CHLD (child) signal: 24.10. What Are Signals? (Unix Power Tools)
chmod command: 4.1. Shell Scripts and Functions (Learning the Korn Shell)
  3.1.8. Listing Files with ls (Learning Unix)
  3.3.3. Setting Permissions with chmod (Learning Unix)
  1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  1.8. Anyone Can Program the Shell (Unix Power Tools)
  35.1. Writing a Simple Shell Program (Unix Power Tools)
  50.5. Using chmod to Change File Permission (Unix Power Tools)
  = operator: 50.6. The Handy chmod = Operator (Unix Power Tools)
  -R option: 50.6. The Handy chmod = Operator (Unix Power Tools)
    changing permissions for directory tree: 50.5. Using chmod to Change File Permission (Unix Power Tools)
  adding and subtracting permissions: 50.5. Using chmod to Change File Permission (Unix Power Tools)
  go-w bin, write access to bin directory: 7.4. A bin Directory for Your Programs and Scripts (Unix Power Tools)
  go+rx bin to give other users access to bin directory: 7.4. A bin Directory for Your Programs and Scripts (Unix Power Tools)
  numeric mode: 50.5. Using chmod to Change File Permission (Unix Power Tools)
  permissions, changing: 50.2.1. User, Group, and World (Unix Power Tools)
  symbolic modes: 50.5. Using chmod to Change File Permission (Unix Power Tools)
chmod function (Perl): 41.8. Perl Boot Camp, Part 5: Perl Knows Unix (Unix Power Tools)
chopping columns out of a file: 2.4. Searching Online Manual Pages (Unix Power Tools)
chown command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  50.15. How to Change File Ownership Without chown (Unix Power Tools)
chown function (Perl): 41.8. Perl Boot Camp, Part 5: Perl Knows Unix (Unix Power Tools)
chown program: 3.3.5. Changing Group and Owner (Learning Unix)
Christiansen, Tom: 43.2. One Argument with a cat Isn't Enough (Unix Power Tools)
chroot, anonymous FTP connections: 46.7. Configuring an Anonymous FTP Server (Unix Power Tools)
ci (checkin) command (RCS): 39.5. RCS Basics (Unix Power Tools)
ci command (RCS): 19.2. Basic Operation (Unix in a Nutshell)
  19.5. Alphabetical Summary of Commands (Unix in a Nutshell)
cindent option (vim): 11.10.2.1. Smart indenting (Learning the vi Editor)
cinkeys option (vim): 11.10.2.1. Smart indenting (Learning the vi Editor)
cinoptions option (vim): 11.10.2.1. Smart indenting (Learning the vi Editor)
cinwords option (vim): 11.10.2.1. Smart indenting (Learning the vi Editor)
^ (circumflex)
  character classes and: 3.2. A Line-Up of Characters (sed & awk)
    3.2.4.2. Excluding a class of characters (sed & awk)
  ^= (assignment) operator: 7.6. Expressions (sed & awk)
  exponentiation operator: 7.6. Expressions (sed & awk)
  as metacharacter: 3.2. A Line-Up of Characters (sed & awk)
    3.2.7. Positional Metacharacters (sed & awk)
  in multiline pattern space: 6.1.1. Append Next Line (sed & awk)
circumflex (^)
  character classes and: 3.2. A Line-Up of Characters (sed & awk)
    3.2.4.2. Excluding a class of characters (sed & awk)
  ^= (assignment) operator: 7.6. Expressions (sed & awk)
  exponentiation operator: 7.6. Expressions (sed & awk)
  as metacharacter: 3.2. A Line-Up of Characters (sed & awk)
    3.2.7. Positional Metacharacters (sed & awk)
  in multiline pattern space: 6.1.1. Append Next Line (sed & awk)
Citrix: 47.9. Citrix: Making Windows Multiuser (Unix Power Tools)
  Metaframe: 47.9. Citrix: Making Windows Multiuser (Unix Power Tools)
    47.9.1. Citrix Metaframe (Unix Power Tools)
cksum command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
class files (Java), disassembling: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
class keyword (ctags): 8.5.2. The New tags Format (Learning the vi Editor)
class methods (Python): 42.3.3. Everything's an Object (Unix Power Tools)
class of objects, application resources associated with: 6.3. X Resource Syntax (Unix Power Tools)
class variables (Python): 42.3.3. Everything's an Object (Unix Power Tools)
classes, character: 4.2.2. Filename Metacharacters (Unix in a Nutshell)
  6.3.1. Search Patterns (Unix in a Nutshell)
classes (Python): 42.3.3. Everything's an Object (Unix Power Tools)
classifying files by data type: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
CLASSPATH environment variable: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
:clast (:cl) command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
clean alias, removing stale files with: 14.17. Deleting Stale Files (Unix Power Tools)
clean pseudo-command (sccs): 18.7.2. Pseudo-Commands (Unix in a Nutshell)
cleanup script: 14.19. Using find to Clear Out Unneeded Files (Unix Power Tools)
clear command: 1.6.10. Miscellaneous Tools (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  4.17. Running Commands When You Log Out (Unix Power Tools)
clear text SMB passwords: 47.3. Securing Samba (Unix Power Tools)
clearing terminal display: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
click to position cursor option: 1.3.2. Customizing the Terminal (Mac OS X for Unix Geeks)
clicking in elvis: 10.6.2. Mouse Behavior (Learning the vi Editor)
CLICOLOR environment variable: 8.6.4. Another color ls (Unix Power Tools)
-client option (elvis): 10.6.1. The Basic Window (Learning the vi Editor)
clients
  ICA: 47.9.1. Citrix Metaframe (Unix Power Tools)
  Python as web client: 42.4. Python and the Web (Unix Power Tools)
  RDP, for Unix (rdesktop): 47.9.2. rdesktop (Unix Power Tools)
  RDP, HOBLink JWT: 47.9.3. Hob (Unix Power Tools)
  remote, starting for X window systems: 6.10. Starting Remote X Clients (Unix Power Tools)
    from interactive logins: 6.10.1. Starting Remote X Clients from Interactive Logins (Unix Power Tools)
    with rsh and ssh: 6.10.2. Starting a Remote Client with rsh and ssh (Unix Power Tools)
  SSH, problems with: 51.7. Server and Client Problems (Unix Power Tools)
  Unix VNC, connecting to Windows server: 47.7.1. Connecting to a Windows VNC server (Unix Power Tools)
  VNC (Virtual Network Computing): 47.7. Sharing Desktops with VNC (Unix Power Tools)
clients, X Window System: 2.3.2. Terminal Windows (Learning Unix)
CLIPBOARD selection (xterm): 5.19. Working with xclipboard (Unix Power Tools)
clipboard, Terminal and: 1.2. The Terminal and xterm Compared (Mac OS X for Unix Geeks)
clipboard, xvile and: 12.6.2.4. Clipboard (Learning the vi Editor)
:clist (:cl) command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
clobbering files: 5.1.1.2. The > operator (Learning Unix)
clock in Unix: 37.6. How Unix Keeps Time (Unix Power Tools)
clock modes, setting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
clones, vi: 8.1. And These Are My Brothers, Darrell, Darrell, and Darrell (Learning the vi Editor)
  8.8. Editor Comparison Summary (Learning the vi Editor)
  (see also specific clone)
  enhanced tags: 8.5. Enhanced Tags (Learning the vi Editor)
  feature summary: 8.8. Editor Comparison Summary (Learning the vi Editor)
  GUI interfaces: 8.3. GUI Interfaces (Learning the vi Editor)
    elvis editor: 10.6. GUI Interfaces (Learning the vi Editor)
      10.9.2. Syntax Highlighting (Learning the vi Editor)
      10.10.1. Display Modes (Learning the vi Editor)
    vile editor: 12.6. GUI Interfaces (Learning the vi Editor)
      12.9.2. Syntax Highlighting (Learning the vi Editor)
    vim editor: 11.6. GUI Interfaces (Learning the vi Editor)
      11.9.2. Syntax Highlighting (Learning the vi Editor)
  improvements over vi: 8.6. Improved Facilities (Learning the vi Editor)
    elvis editor: 10.8. Improved Editing Facilities (Learning the vi Editor)
    nvi editor: 9.8. Improvements for Editing (Learning the vi Editor)
    vile editor: 12.8. Improved Editing Facilities (Learning the vi Editor)
    vim editor: 11.8. Improved Editing Facilities (Learning the vi Editor)
  multiwindow editing: 8.2. Multiwindow Editing (Learning the vi Editor)
    elvis editor: 10.5. Multiwindow Editing (Learning the vi Editor)
    nvi editor: 9.5. Multiwindow Editing (Learning the vi Editor)
    vile editor: 12.5. Multiwindow Editing (Learning the vi Editor)
    vim editor: 11.5. Multiwindow Editing (Learning the vi Editor)
  programming assistance: 8.7. Programming Assistance (Learning the vi Editor)
    elvis editor: 10.9. Programming Assistance (Learning the vi Editor)
    vile editor: 12.9. Programming Assistance (Learning the vi Editor)
    vim editor: 11.9. Programming Assistance (Learning the vi Editor)
  regular expressions: 8.4. Extended Regular Expressions (Learning the vi Editor)
    elvis editor: 10.7. Extended Regular Expressions (Learning the vi Editor)
    nvi editor: 9.7. Extended Regular Expressions (Learning the vi Editor)
    vile editor: 12.7. Extended Regular Expressions (Learning the vi Editor)
    vim editor: 11.7. Extended Regular Expressions (Learning the vi Editor)
  set command options (list): C. Setting Options (Learning the vi Editor)
close: 10.2. The close( ) Function (sed & awk)
close( ) method (for Perl objects): 41.4. Perl Boot Camp, Part 1: Typical Script Anatomy (Unix Power Tools)
close command (awk): 20.10.7. Alphabetical Summary of Commands (Unix Power Tools)
:close command (elvis): 10.5. Multiwindow Editing (Learning the vi Editor)
:close (:clo) command (vim): 11.5. Multiwindow Editing (Learning the vi Editor)
close function (awk): 11.10. Alphabetical Summary of Functions and Commands (Unix in a Nutshell)
Close (Sawfish window menu): 2.5.5. The Window Menu (Learning Unix)
close system call: 8.5. Coroutines (Learning the Korn Shell)
closing files/pipes: 10.2. The close( ) Function (sed & awk)
  10.5.2. Working with Multiple Files (sed & awk)
closing windows
  by exiting the shell: 24.20. The Process Chain to Your Window (Unix Power Tools)
  by killing window processes: 24.22. Close a Window by Killing Its Process(es) (Unix Power Tools)
closure: 3.2.5. Repeated Occurrences of a Character (sed & awk)
cmd field in crontab entries: 25.2.1. Execution Scheduling (Unix Power Tools)
cmode mode (vile): 12.10.2. Major Modes (Learning the vi Editor)
cmp command: 1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
cmp operator (Perl): 41.5.1. Scalars (Unix Power Tools)
cmp program: 11.7. cmp and diff (Unix Power Tools)
:cNext (:cN) command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
cntrl character class: 4.2.2. Filename Metacharacters (Unix in a Nutshell)
co (checkout) command (RCS): 39.5. RCS Basics (Unix Power Tools)
  -j option, merging file versions with: 39.5. RCS Basics (Unix Power Tools)
  -p option, sending file to standard output: 39.5. RCS Basics (Unix Power Tools)
co command (RCS): 19.2. Basic Operation (Unix in a Nutshell)
  19.5. Alphabetical Summary of Commands (Unix in a Nutshell)
:co (copy) command (ex): 5.2. Editing with ex (Learning the vi Editor)
code (see source code sample code)
code blocks: 7.2.3.3. Code blocks (Learning the Korn Shell)
  piping output to: 7.2.3.3. Code blocks (Learning the Korn Shell)
  redirecting standard I/O to: 7.2.3.3. Code blocks (Learning the Korn Shell)
  vs. subshells: 8.6.2. Subshells (Learning the Korn Shell)
code, examples of (see tasks)
cof2elf command: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
COFF files, converting to ELF: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
coffee mugs with vi logo: E.1.4. vi for Java Lovers (Learning the vi Editor)
col command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
collating symbols: 3.2.4.3. POSIX character class additions (sed & awk)
  6.3.2. POSIX Bracket Expressions (Learning the vi Editor)
collections in Pine: 6.6. Usenet News (Learning Unix)
Collinson, Peter: 35.19. Shell Script "Wrappers" for awk, sed, etc. (Unix Power Tools)
: (colon) for labels: 6.4. Advanced Flow Control Commands (sed & awk)
colon (:): 4.5.1. Syntax of String Operators (Learning the Korn Shell)
  4.5.1. Syntax of String Operators (Learning the Korn Shell)
  :! for UNIX commands in ex: 7.2. Executing UNIX Commands (Learning the vi Editor)
  for ex commands in vi: 1. The vi Text Editor (Learning the vi Editor)
    5.1. ex Commands (Learning the vi Editor)
  line editing mode: 1.1.2. Problems Opening Files (Learning the vi Editor)
  separating fields: 1.7.3. Pipelines (Learning the Korn Shell)
colon (:) as a less prompt: 3.2. Looking Inside Files with less (Learning Unix)
colon (:) for labels: 6.4. Advanced Flow Control Commands (sed & awk)
color
  displaying names of with ls command: 8.6. Color ls (Unix Power Tools)
  in shell prompts: 4.10. Highlighting and Color in Shell Prompts (Unix Power Tools)
  LS_COLORS environment variable: 8.6.2. Configuring It (Unix Power Tools)
    35.5. Predefined Environment Variables (Unix Power Tools)
colors (see GUI interfaces for vi clones)
columns
  chopping out of a file: 2.4. Searching Online Manual Pages (Unix Power Tools)
  column utility, creating with: 21.16. Make Columns Automatically with column (Unix Power Tools)
    rebalancing into table with variable-width columns: 21.16. Make Columns Automatically with column (Unix Power Tools)
  cutting: 21.14. Cutting Columns or Fields (Unix Power Tools)
  ls -C command, listing output in: 8.4. List All Subdirectories with ls -R (Unix Power Tools)
    8.10. Useful ls Aliases (Unix Power Tools)
  merging file lines into: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  pasting data into: 21.18. Pasting Things in Columns (Unix Power Tools)
  searching files for character in: 13.13. Finding a Character in a Column (Unix Power Tools)
  selecting from files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  straightening: 21.17. Straightening Jagged Columns (Unix Power Tools)
  text in, with pr command: 21.15. Making Text in Columns with pr (Unix Power Tools)
COLUMNS environment variable: 3.16. Terminal Setup: Testing Window Size (Unix Power Tools)
columns, output as: 10.6. Generating Columnar Reports (sed & awk)
COLUMNS shell variable: 4.3.3. Other Shell Variables (Unix in a Nutshell)
  4.3.3. Other Shell Variables (Unix in a Nutshell)
COLUMNS variable: 3.4.2.1. Editing mode variables (Learning the Korn Shell)
comb command (SCCS): 18.6. Alphabetical Summary of SCCS Commands (Unix in a Nutshell)
combination modes, setting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
combine script (example): 13.3. combine—Extract Multipart uuencoded Binaries (sed & awk)
combining files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
comm command: 1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
comma (,)
  for line ranges (ex): 5.1. ex Commands (Learning the vi Editor)
    5.2.2. Defining a Range of Lines (Learning the vi Editor)
    5.1. ex Commands (Learning the vi Editor)
    5.2.2. Defining a Range of Lines (Learning the vi Editor)
  repeat search command: 3.3.2. Current Line Searches (Learning the vi Editor)
    3.3.2. Current Line Searches (Learning the vi Editor)
comma (,), as command: 2.4.5. Character-Finding Commands (Learning the Korn Shell)
comma (,) in filenames: 1.11. Filenames (Unix Power Tools)
comma, "fat comma" operator (=>): 41.5.3. Hashes (Unix Power Tools)
command characters (see special characters)
command command: 4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
command command, disabling shell function lookup: 27.9. Which One Will bash Use? (Unix Power Tools)
command completion: 2.3.5. Filename and Variable Completion and Expansion (Learning the Korn Shell)
  2.3.5. Filename and Variable Completion and Expansion (Learning the Korn Shell)
  8.6.1. Command-Line History and Completion (Learning the vi Editor)
  elvis editor: 10.8.1. Command-Line History and Completion (Learning the vi Editor)
  nvi editor: 9.8.1. Command-Line History and Completion (Learning the vi Editor)
  vile editor: 12.8.1. Command-Line History and Completion (Learning the vi Editor)
  vim editor: 11.8.1. Command-Line History and Completion (Learning the vi Editor)
command directories: 35.3. What Environment Variables Are Good For (Unix Power Tools)
command editing mode: 35.5. Predefined Environment Variables (Unix Power Tools)
.command files: 1.3.1.2. .command files (Mac OS X for Unix Geeks)
"command garbled" message: 2.3.1.1. Command garbled (sed & awk)
  5.1. About the Syntax of sed Commands (sed & awk)
command history
  csh shell: 5.5. Command History (Unix in a Nutshell)
  ksh shell: 4.5. Command History (Unix in a Nutshell)
command interpreters (see shells)
  1.4. Communication with Unix (Unix Power Tools)
command line: 1. The Mac OS X Command Line (Mac OS X for Unix Geeks)
  28.1. What's Special About the Unix Command Line (Unix Power Tools)
  aliases for arguments: 29.3. C-Shell Aliases with Command-Line Arguments (Unix Power Tools)
  as shell scripts: 35.1. Writing a Simple Shell Program (Unix Power Tools)
  awk: 20.10.1. Command-Line Syntax (Unix Power Tools)
  building strings with { }: 28.4. Build Strings with { } (Unix Power Tools)
  completion features: 28.6. Automatic Completion (Unix Power Tools)
    command-specific completion: 28.6.3. Command-Specific Completion (Unix Power Tools)
    editor functions for: 28.6.4. Editor Functions for Completion (Unix Power Tools)
    Emacs: 19.6. Command Completion
    (Unix Power Tools)
    Emacscommand completion (see command line
    )
    filename completion: 28.6.1. General Example: Filename Completion
    (Unix Power Tools)
    filename completion, ignoring file suffixes: 28.7. Don't Match Useless Files in Filename Completion
    (Unix Power Tools)
    menu completion: 28.6.2. Menu Completion
    (Unix Power Tools)
  creating disk images from: 6.4.3.2. Creating a disk image from the command line (Mac OS X for Unix Geeks)
  downloading files from: 1.5.2. Working with File and Directory Names (Mac OS X for Unix Geeks)
  editing from, with tcsh shell: 1.5.3. Command-Line Editing with tcsh (Mac OS X for Unix Geeks)
  editing on: 4.10. Highlighting and Color in Shell Prompts (Unix Power Tools)
    30.1. The Lessons of History
  (Unix Power Tools)
  30.14. Shell Command-Line Editing (Unix Power Tools)
  bash shell: 30.14.5. bash Editing (Unix Power Tools)
  Emacs editing mode: 30.14.2. Emacs Editing Mode
  (Unix Power Tools)
  ksh (Korn shell): 1.6. There Are Many Shells
  (Unix Power Tools)
    30.14.4. ksh Editing
  (Unix Power Tools)
tcsh shell: 30.14.3. tcsh Editing (Unix Power Tools)
vi editing mode: 30.14.1. vi Editing Mode (Unix Power Tools)
zsh shell: 30.14.6. zsh Editing (Unix Power Tools)

executing commands with long list of files as arguments: 28.15. Handling Lots of Text with Temporary Files (Unix Power Tools)
finding last argument on: 36.9. Finding the Last Command-Line Argument (Unix Power Tools)
history commands for
  Emacs mode: 1.5.3.1. Emacs mode (Mac OS X for Unix Geeks)
  vi mode: 1.5.3.2. vi mode (Mac OS X for Unix Geeks)
    1.5.3.2. vi mode (Mac OS X for Unix Geeks)
interactive applications, controlling with Expect program: 28.18. Expect (Unix Power Tools)
interpretation by shell: 1.4. Communication with Unix (Unix Power Tools)
multiline commands and secondary prompts: 28.12. Multiline Commands, Secondary Prompts (Unix Power Tools)
parameters, unsetting: 36.10. How to Unset All Command-Line Parameters (Unix Power Tools)
parsing: 27.7. Wildcards Inside Aliases (Unix Power Tools)
repeating commands: 28.8. Repeating Commands (Unix Power Tools)
  at set intervals: 28.11. Repeating a Time-Varying Command (Unix Power Tools)
  copy and paste, using: 28.10. Repeating a Command with Copy-and-Paste (Unix Power Tools)
  with variations: 28.9.1. A foreach Loop (Unix Power Tools)
reprinting wilth CTRL-r: 28.2. Reprinting Your Command Line with CTRL-r (Unix Power Tools)
saving to file: 1.8. Anyone Can Program the Shell (Unix Power Tools)
sed editor: 34.3. Invoking sed (Unix Power Tools)
separating commands with semicolon (:): 28.16. Separating Commands with Semicolons (Unix Power Tools)
shortcuts: 28.1. What's Special About the Unix Command Line (Unix Power Tools)
string-editing (:) operators: 28.5. String Editing (Colon) Operators (Unix Power Tools)
submitting for execution at a later time: 25.5. The at Command (Unix Power Tools)
too many arguments, dealing with: 28.17. Dealing with Too Many Arguments (Unix Power Tools)
command-line arguments
  @ARGV array passed to Perl scripts: 41.4. Perl Boot Camp, Part 1: Typical Script Anatomy (Unix Power Tools)
  finding last: 36.9. Finding the Last Command-Line Argument (Unix Power Tools)
  handling in Bourne shell scripts: 35.20. Handling Command-Line Arguments in Shell Scripts (Unix Power Tools)
    for loops, using: 35.20.2. With a Loop (Unix Power Tools)
  parsing: 35.25.4. Watch Your Quoting (Unix Power Tools)
  parsing standard: 35.24. Standard Command-Line Parsing (Unix Power Tools)
  of a process: 24.9.4. Statistics of Processes by PID (Unix Power Tools)
  quoting: 35.25.4. Watch Your Quoting (Unix Power Tools)
    37.5. Quoting and Command-Line Parameters (Unix Power Tools)
  setting and parsing: 35.25.2. Setting (and Parsing) Parameters (Unix Power Tools)
  starting with - (dash): 35.21. Handling Command-Line Arguments with a for Loop (Unix Power Tools)
    35.25.2. Setting (and Parsing) Parameters (Unix Power Tools)
  storing single-line string in: 36.23.3. Using set and IFS (Unix Power Tools)
  tar, correct order for: 38.12. Getting tar's Arguments in the Right Order (Unix Power Tools)
  testing with case statement: 36.25. Testing Two Strings with One case Statement (Unix Power Tools)
command-line editing: 2. Command-Line Editing (Learning the Korn Shell)
  enabling: 2.1. Enabling Command-Line Editing (Learning the Korn Shell)
command-line FTP: 6.4.2.1. Command-line ftp (Learning Unix)
command-line history: 8.6.1. Command-Line History and Completion (Learning the vi Editor)
  elvis editor: 10.8.1. Command-Line History and Completion (Learning the vi Editor)
  nvi editor: 9.8.1. Command-Line History and Completion (Learning the vi Editor)
  vile editor: 12.8.1. Command-Line History and Completion (Learning the vi Editor)
  vim editor: 11.8.1. Command-Line History and Completion (Learning the vi Editor)
command-line options: 6.1. Command-Line Options (Learning the Korn Shell)
  0.3. Conventions (Unix in a Nutshell)
  4.2. Options When Starting vi (Learning the vi Editor)
  A. Quick Reference (Learning the vi Editor)
  elvis editor: 10.2. Important Command-Line Arguments (Learning the vi Editor)
  list of: B.1. Invocation Options (Learning the Korn Shell)
  nvi editor: 9.2. Important Command-Line Arguments (Learning the vi Editor)
  vile editor: 12.2. Important Command-Line Arguments (Learning the vi Editor)
  vim editor: 11.2. Important Command-Line Arguments (Learning the vi Editor)
command-line options, gawk: 11.2.3.1. Command line options (sed & awk)
command-line parameters (see command-line arguments)
  array of: 8.6.1. An Array of Command-Line Parameters (sed & awk)
  passing into script: 7.10. Passing Parameters Into a Script (sed & awk)
command-line processing: 7.3. Command-Line Processing (Learning the Korn Shell)
  effect of eval on: 7.3.4. eval (Learning the Korn Shell)
  effect of quoting on: 7.3.3. Quoting (Learning the Korn Shell)
  example of: 7.3.2. Substitution Order (Learning the Korn Shell)
  order of steps in: 7.3.2. Substitution Order (Learning the Korn Shell)
  within condition tests: 5.1.4. Condition Tests (Learning the Korn Shell)
command-line switches: 1.2. The Terminal and xterm Compared (Mac OS X for Unix Geeks)
command-line syntax: 2.2. Command-Line Syntax (sed & awk)
  A.1. Command-Line Syntax (sed & awk)
  B.1. Command-Line Syntax (sed & awk)
command-line utilities: 1.6.2. Apple's Command-line Developer Tools (Mac OS X for Unix Geeks)
  B. Command-Line Tools: The Missing Manpages (Mac OS X for Unix Geeks)
command lines: 1.1. What Is a Shell? (Learning the Korn Shell)
  1.5. Interactive Shell Use (Learning the Korn Shell)
command mode: 1. The vi Text Editor (Learning the vi Editor)
  2.1. vi Commands (Learning the vi Editor)
  keystroke maps: 7.3.2. Using the map Command (Learning the vi Editor)
    function keys and special keys: 7.3.7. Mapping Function Keys (Learning the vi Editor)
    useful examples of using: 7.3.5. More Examples of Mapping Keys (Learning the vi Editor)
  mode indicators: 8.6.7. Mode Indicators (Learning the vi Editor)
command mode : (unixnut) 8.1.2. Command Mode (Learning the vi Editor)
command number: 3.4.2.3. Prompting variables (Learning the Korn Shell)
command prompt: 1.1.2. Logging in Nongraphically (Learning Unix)
  1.3. Using the Terminal (Mac OS X for Unix Geeks)
command search path (see search path)
command submode (vi mode): 1.5.3.2. vi mode (Mac OS X for Unix Geeks)
command substitution: 2.1. Enabling Command-Line Editing (Learning the Korn Shell)
  4.6. Command Substitution (Learning the Korn Shell)
  27.12. Bourne Shell Quoting (Unix Power Tools)
  28.1. What's Special About the Unix Command Line (Unix Power Tools)
  28.14. Command Substitution (Unix Power Tools)
  Bourne shell quoting and: 27.12.2. How Quoting Works (Unix Power Tools)
  examples of: 28.14. Command Substitution (Unix Power Tools)
  excluding files from rm command: 14.18. Removing Every File but One (Unix Power Tools)
  find command output, using with: 9.2. Delving Through a Deep Directory Tree (Unix Power Tools)
  in for loops: 35.21. Handling Command-Line Arguments with a for Loop (Unix Power Tools)
  grep command, using in vi editor: 28.14. Command Substitution (Unix Power Tools)
  here-documents and: 7.1.1. Here-Documents (Learning the Korn Shell)
  I/O redirection within: 4.6. Command Substitution (Learning the Korn Shell)
  nested: 36.24. Nested Command Substitution (Unix Power Tools)
  order in command-line processing: 7.3.2. Substitution Order (Learning the Korn Shell)
  shown in xtrace output: 9.1.1. Set Options (Learning the Korn Shell)
command substitution (csh): 5.5.1. Command Substitution (Unix in a Nutshell)
commands: 1.5.1. Commands, Arguments, and Options (Learning the Korn Shell)
  1.5.3. Command-Line Editing with tcsh (Mac OS X for Unix Geeks)
  2.4.1. Running awk (sed & awk)
  (see also under specific command)
  aliases for: 4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
    4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
    5.8. Built-in C Shell Commands (Unix in a Nutshell)
  all Unix commands (list): 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  ampersand (&) character at the end of, putting into background with: 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
  autocommands (vim): 11.10.3. Autocommands (Learning the vi Editor)
  awk: B.3. Command Summary for awk (sed & awk)
  awk programming language: 11.8. Group Listing of awk Functions and Commands (Unix in a Nutshell)
  awk utility, categories of: 20.10.2.2. Procedures (Unix Power Tools)
  binding to keys: 30.14.3. tcsh Editing (Unix Power Tools)
  built-in: 1.4. Communication with Unix (Unix Power Tools)
    24.2. fork and exec (Unix Power Tools)
    faster prompt setting with: 4.6. Faster Prompt Setting with Built-ins (Unix Power Tools)
  bundling: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  combining with grouping ( ) operator: 43.7. The ( ) Subshell Operators (Unix Power Tools)
  csh shell: 5.2.4. Command Forms (Unix in a Nutshell)
    5.8. Built-in C Shell Commands (Unix in a Nutshell)
  custom, creating: 29.1. Creating Custom Commands (Unix Power Tools)
    Bourne-type aliases: 29.4. Setting and Unsetting Bourne-Type Aliases (Unix Power Tools)
    if-then-else, putting in C shell alias: 29.9. How to Put if-then-else in a C-Shell Alias (Unix Power Tools)
    Korn shell aliases: 29.5. Korn-Shell Aliases (Unix Power Tools)
    shell functions: 29.11. Shell Function Basics (Unix Power Tools)
    sourceable scripts: 29.7. Sourceable Scripts (Unix Power Tools)
    zsh aliases: 29.6. zsh Aliases (Unix Power Tools)
  default, specifying shell with #!: 27.3.6. Default Commands (Unix Power Tools)
  descriptions of, displaying: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  displaying running commands: 26.3. What Commands Are Running and How Long Do They Take? (Unix Power Tools)
  emacs commands, list of: 7.2. Summary of Commands by Group (Unix in a Nutshell)
  entering a line: 1.1.6. Entering a Command Line (Learning Unix)
  ex (see ex commands)
  ex editor: 20.4. Useful ex Commands (Unix Power Tools)
  executing
    after logout: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    with multiple systems: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
    wait between: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  executing expressions as: 10.3. The system( ) Function (sed & awk)
  exit status of: 35.12. Exit Status of Unix Processes (Unix Power Tools)
  external, shell execution of: 27.2. How the Shell Executes Other Commands (Unix Power Tools)
  filtering text through with vi editor: 17.18. Filtering Text Through a Unix Command (Unix Power Tools)
    fmt command, neatening lines with: 17.28. Neatening Lines (Unix Power Tools)
  finding: 3.4.2.6. Command search path (Learning the Korn Shell)
    order of precedence for: 4.1.1. Functions (Learning the Korn Shell)
      7.3.2. Substitution Order (Learning the Korn Shell)
    tracked aliases and: 3.4.2.8. PATH and tracked aliases (Learning the Korn Shell)
  finding where located: 2.3. whereis: Finding Where a Command Is Located (Unix Power Tools)
  for navigating history file
    in emacs-mode: 2.3.4. Moving Around in the History File (Learning the Korn Shell)
    in vi-mode: 2.4.4. Moving Around in the History File (Learning the Korn Shell)
  FTP: 6.4.2.1. Command-line ftp (Learning Unix)
  functions, working with: 29.11.5. Conclusion (Unix Power Tools)
  grouping: 4.2.1. Grouping Commands (sed & awk)
    5.1. About the Syntax of sed Commands (sed & awk)
  history of: 30.1. The Lessons of History (Unix Power Tools)
  in emacs-mode: 2.3.1. Basic Commands (Learning the Korn Shell)
  in .exrc file for vi editor: 17.30. Setting Up vi with the .exrc File (Unix Power Tools)
  in vi-mode: 2.4.1. Simple Control Mode Commands (Learning the Korn Shell)
    2.4.3. Deletion Commands (Learning the Korn Shell)
  information about, man command for: 1.6.10. Miscellaneous Tools (Mac OS X for Unix Geeks)
  interactive: 1.4. Communication with Unix (Unix Power Tools)
  internal and external: 1.9. Internal and External Commands (Unix Power Tools)
  interpretation by shells: 27.1. What the Shell Does (Unix Power Tools)
    27.1. What the Shell Does (Unix Power Tools)
    arguments passed to a script, showing: 27.5. Output Command-Line Arguments One by One (Unix Power Tools)
    Bourne shell quoting: 27.12. Bourne Shell Quoting (Unix Power Tools)
    C shell quoting: 27.13. Differences Between Bourne and C Shell Quoting (Unix Power Tools)
    choosing built-in, external or shell functions in bash: 27.9. Which One Will bash Use? (Unix Power Tools)
    choosing built-in, external, or shell functions in C shell: 27.10. Which One Will the C Shell Use? (Unix Power Tools)
    evaluation of command line: 27.8. eval: When You Need Another Chance (Unix Power Tools)
    executing external commands: 27.2. How the Shell Executes Other Commands (Unix Power Tools)
    interactive use vs. shell scripts: 27.3.2. Interactive Use Versus Shell Scripts (Unix Power Tools)
    overwriting files accidentally: 27.4. Command Evaluation and Accidentally Overwriting Files (Unix Power Tools)
    quoting with here documents: 27.16. Here Documents (Unix Power Tools)
    redirections: 27.11. Is It "2>&1 file" or "> file 2>&1"? Why? (Unix Power Tools)
    running other programs: 27.3.1. How Shells Run Other Programs (Unix Power Tools)
    search path for commands: 27.6. Controlling Shell Command Searches (Unix Power Tools)
    wildcards in aliases: 27.7. Wildcards Inside Aliases (Unix Power Tools)
  joining with pipes: 35.1. Writing a Simple Shell Program (Unix Power Tools)
  via keystrokes: 1.5.3.1. Emacs mode (Mac OS X for Unix Geeks)
  list of basic: 1.4. Beginner's Guide (Unix in a Nutshell)
  locating by keyword, apropos command for: 1.6.10. Miscellaneous Tools (Mac OS X for Unix Geeks)
  in .logout file: 4.17. Running Commands When You Log Out (Unix Power Tools)
  logout file, creating for Bourne and Korn shells: 4.18. Running Commands at Bourne/Korn Shell Logout (Unix Power Tools)
  lower priority, executing: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  menu-based generator (example): 10.4. A Menu-Based Command Generator (sed & awk)
  menus and icons: 2.3.3. Window Manager Menus (Learning Unix)
  miscellaneous
    in emacs-mode: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
    in vi-mode: 2.4.7. Miscellaneous Commands (Learning the Korn Shell)
  multiple: 2.4.1. Running awk (sed & awk)
  multiple control commands, while loops with: 36.14. A while Loop with Several Loop Control Commands (Unix Power Tools)
  naming: 35.27. Picking a Name for a New Command (Unix Power Tools)
  nroff/troff requests: 12.4. Default Operation of Requests (Unix in a Nutshell)
  null: 35.13. Test Exit Status with the if Statement (Unix Power Tools)
  obsolete: B. Obsolete Commands (Unix in a Nutshell)
  order of: 4.1. Applying Commands in a Script (sed & awk)
  PATH environment variable: 35.6. The PATH Environment Variable (Unix Power Tools)
  periodic: 4.16. Preprompt, Pre-execution, and Periodic Commands (Unix Power Tools)
  preprompt: 4.16. Preprompt, Pre-execution, and Periodic Commands (Unix Power Tools)
    4.16. Preprompt, Pre-execution, and Periodic Commands (Unix Power Tools)
  printed in parentheses by ps: 24.8. Why ps Prints Some Commands in Parentheses (Unix Power Tools)
  printing
    without executing (:p operator): 28.5. String Editing (Colon) Operators (Unix Power Tools)
    System V: 45.2.2. lp-Style Printing Commands (Unix Power Tools)
  putting names of into shell prompts: 4.9. A "Menu Prompt" for Naive Users (Unix Power Tools)
  recalling previous: 1.1.7. Recalling Previous Commands (Learning Unix)
  redefining with aliases, problems with: 29.8. Avoiding C-Shell Alias Loops (Unix Power Tools)
  redirection (see redirecting input and output)
  remote-login utilities: 23.13. Stopping Remote Login Sessions (Unix Power Tools)
  repeating (see repeating commands)
  running at login: 3.5. What Goes in Shell Setup Files? (Unix Power Tools)
  running one while using another with shell escapes: 17.21. Shell Escapes: Running One UnixCommand While Using Another (Unix Power Tools)
  saving: 7.3. Saving Commands (Learning the vi Editor)
  search path: 35.1. Writing a Simple Shell Program (Unix Power Tools)
    rehash command, updating with: 7.4. A bin Directory for Your Programs and Scripts (Unix Power Tools)
  search table (C shells), resetting: 35.1. Writing a Simple Shell Program (Unix Power Tools)
  sed: 5. Basic sed Commands (sed & awk)
    6. Advanced sed Commands (sed & awk)
    A.3. Command Summary for sed (sed & awk)
  sed editor: 10.3. Syntax of sed Commands (Unix in a Nutshell)
    34.17. The Deliberate Scrivener (Unix Power Tools)
    operations of: 34.17. The Deliberate Scrivener (Unix Power Tools)
  sed, order of: 34.6. Order of Commands in a Script (Unix Power Tools)
  sequences of, executing automatically with Emacs: 19.2. Emacs Features: A Laundry List (Unix Power Tools)
  sh and ksh shells: 4.2.4. Command Forms (Unix in a Nutshell)
    4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
  shell aliases for: 8.2. Shell Aliases and Functions (Learning Unix)
  spanning more than one line: 1.9.4. Continuing Lines (Learning the Korn Shell)
  standard input, reading: 43.1. Using Standard Input and Output (Unix Power Tools)
  storing for startup of vi: 17.30. Setting Up vi with the .exrc File (Unix Power Tools)
  SVR4 vs. BSD: 1.5. Guide for Users of BSD-Derived Systems (Unix in a Nutshell)
  syntax for: A.2. Syntax of sed Commands (sed & awk)
  syntax of: 1.2. Syntax of Unix Command Lines (Learning Unix)
  Tcl: 28.18. Expect (Unix Power Tools)
  types of: 1.3. Types of Commands (Learning Unix)
  typing at the shell prompt: 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
  UNIX (see UNIX commands)
  versions: 35.2. Everyone Should Learn Some Shell Programming (Unix Power Tools)
  versions of: 2.6. Which Version Am I Using? (Unix Power Tools)
  vi (see vi commands)
  vi editor: 8.1.4. Syntax of vi Commands (Unix in a Nutshell)
    custom, creating: 18.2. Save Time and Typing with the vi map Commands (Unix Power Tools)
    line vs. character: 17.26. vi Line Commands Versus Character Commands (Unix Power Tools)
comment lines, filtering out with grep command: 7.2.3.3. Code blocks (Learning the Korn Shell)
comment option (vim): 11.10.2.1. Smart indenting (Learning the vi Editor)
commentfont display mode (elvis): 10.9.2. Syntax Highlighting (Learning the vi Editor)
commenting
  : and #, beginning with: 36.2. The Story of : # #! (Unix Power Tools)
  #, shell understanding of: 36.3. Don't Need a Shell for Your Script? Don't Use One (Unix Power Tools)
  Bourne shell
    using : in place of #: 36.6. The Unappreciated Bourne Shell ":" Operator (Unix Power Tools)
  for ease of use: 35.19. Shell Script "Wrappers" for awk, sed, etc. (Unix Power Tools)
  in zsh: 30.15. Changing History Characters with histchars (Unix Power Tools)
  RCS files: 39.5. RCS Basics (Unix Power Tools)
  shell scripts: 35.1. Writing a Simple Shell Program (Unix Power Tools)
  smb.conf files: 47.2. Installing and Configuring Samba (Unix Power Tools)
  in X resource files: 6.3. X Resource Syntax (Unix Power Tools)
comments: 5.2. Comment (sed & awk)
  10.7.4. Commenting Out Loud (sed & awk)
  B.2.2.2. Comments (sed & awk)
  in awk scripts: 7.4.1. Describing Your Script (sed & awk)
  in crontab entries: 25.2.1. Execution Scheduling (Unix Power Tools)
  in Emacs editor: 19.7. Mike's Favorite Timesavers (Unix Power Tools)
  in ex scripts: 7.4.4. Comments in ex Scripts (Learning the vi Editor)
  in files, modifying: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  in .exrc file for vi editor: 17.30. Setting Up vi with the .exrc File (Unix Power Tools)
  lines in program comment block, cleaning up: 21.4. Clean Up Program Comment Blocks (Unix Power Tools)
  placing markers around lines (example): 7.3.5. More Examples of Mapping Keys (Learning the vi Editor)
  sh and ksh shells: 4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
comments in scripts: 4.5.1. Syntax of String Operators (Learning the Korn Shell)
commercial versions of awk: 11.3. Commercial awks (sed & awk)
committing modifications to CVS files: 39.7. CVS Basics (Unix Power Tools)
Common Desktop Environment (CDE): 2.. Common Desktop Environment (Unix in a Nutshell)
Common Unix Printing System (CUPS): 45.18. The Common Unix Printing System (CUPS) (Unix Power Tools)
communicating with Unix: 1.4. Communication with Unix (Unix Power Tools)
communications utilities: 1.21. Unix Networking and Communications (Unix Power Tools)
compacting files (see compressing files)
compare
  two most recent revisions of several RCS files: 39.6. List RCS Revision Numbers with rcsrevs (Unix Power Tools)
comparing
  directory contents: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  file-times, exact comparisons: 9.8. Exact File-Time Comparisons (Unix Power Tools)
  files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    10.9. Renaming, Copying, or Comparing a Set of Files (Unix Power Tools)
    cmp program, using: 11.7. cmp and diff (Unix Power Tools)
    diff commands, using: 11.1. Checking Differences with diff (Unix Power Tools)
    document drafts: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    make program, using: 11.10. make Isn't Just for Programmers! (Unix Power Tools)
  lines for uniqueness (uniq command): 21.20. What Is (or Isn't) Unique? (Unix Power Tools)
  numbers: 37.3. Stop Syntax Errors in Numeric Tests (Unix Power Tools)
  relationship operators for: 7.8. Relational and Boolean Operators (sed & awk)
  strings: 9.2.5. The match( ) Function (sed & awk)
  strings for pattern matching: 32.3. Understanding Expressions (Unix Power Tools)
  word counts in two files: 16.6. Counting Lines, Words, and Characters: wc (Unix Power Tools)
comparison operators (csh): 5.4.1.4. Comparison operators (Unix in a Nutshell)
compiler error messages: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
Compiler Tools: 4. Compiling Source Code (Mac OS X for Unix Geeks)
compilers: 4. Compiling Source Code (Mac OS X for Unix Geeks)
  4.1. Compiler Differences (Mac OS X for Unix Geeks)
compiling
  C source files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  Java code: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    RMI compiler: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  regular expressions: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
compiling program source code: 8.7.1. Edit-Compile Speedup (Learning the vi Editor)
  elvis editor: 10.9.1. Edit-Compile Speedup (Learning the vi Editor)
  vile editor: 12.9.1. Edit-Compile Speedup (Learning the vi Editor)
  vim editor: 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
compiling source code: 4. Compiling Source Code (Mac OS X for Unix Geeks)
  steps in: 4.2. Compiling Unix Source Code (Mac OS X for Unix Geeks)
complete command: 28.6.3. Command-Specific Completion (Unix Power Tools)
completion, command-line: 8.6.1. Command-Line History and Completion (Learning the vi Editor)
  elvis editor: 10.8.1. Command-Line History and Completion (Learning the vi Editor)
  nvi editor: 9.8.1. Command-Line History and Completion (Learning the vi Editor)
  vile editor: 12.8.1. Command-Line History and Completion (Learning the vi Editor)
  vim editor: 11.8.1. Command-Line History and Completion (Learning the vi Editor)
completion features of shells: 28.6. Automatic Completion (Unix Power Tools)
  editor functions for: 28.6.4. Editor Functions for Completion (Unix Power Tools)
  filename completion: 28.6.1. General Example: Filename Completion (Unix Power Tools)
    ignoring file suffixes: 28.7. Don't Match Useless Files in Filename Completion (Unix Power Tools)
  menu completion: 28.6.2. Menu Completion (Unix Power Tools)
compound statements, redirecting I/O to: 7.2.3.2. I/O redirection and multiple commands (Learning the Korn Shell)
compound variables: 4.3. Compound Variables (Learning the Korn Shell)
Comprehensive Perl Archive Network (CPAN): 22.8. Sorting a List of People by Last Name (Unix Power Tools)
  41.3. Compiling Perl from Scratch (Unix Power Tools)
Comprehensive TEX Archive Network (CTAN): 45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On (Unix Power Tools)
compress command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  15.6. Compressing Files to Save Space (Unix Power Tools)
compress tool: 1.6.8. File Compression and Storage (Mac OS X for Unix Geeks)
compressed files
  encoding into 7-bit representation: 21.12.1. uuencoding (Unix Power Tools)
  filename extensions: 1.12. Filename Extensions (Unix Power Tools)
  manpage, finding with grep -Z: 2.4. Searching Online Manual Pages (Unix Power Tools)
  tar archive: 38.2. tar in a Nutshell (Unix Power Tools)
  tar utility, gzip and bzip2 utilities: 38.4. More Ways to Back Up (Unix Power Tools)
compressing a directory tree: 15.7. Save Space: tar and compress a Directory Tree (Unix Power Tools)
  fine-tuning: 15.9. Compressing a Directory Tree: Fine-Tuning (Unix Power Tools)
compressing files: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
  15.6. Compressing Files to Save Space (Unix Power Tools)
compression: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  bzip2 utility: 15.6. Compressing Files to Save Space (Unix Power Tools)
  GNU tar archives: 39.3. GNU tar Sampler (Unix Power Tools)
  gzip, unpacking tar archives: 43.1. Using Standard Input and Output (Unix Power Tools)
  tar archives, advantages and disadvantages: 38.5.4. To gzip, or Not to gzip? (Unix Power Tools)
Computer Emergency Response Team (see CERT)
COMSPEC environment variable (vim): 11.4.1. Initialization for All vim Invocations (Learning the vi Editor)
concatenate (see cat command)
concatenating strings with . operator: 41.5.1. Scalars (Unix Power Tools)
concatenation: 3.1. That's an Expression (sed & awk)
  7.6. Expressions (sed & awk)
concatenation in regular expressions: 32.3. Understanding Expressions (Unix Power Tools)
Concurrent Version System (see CVS)
condition tests: 5.1.4. Condition Tests (Learning the Korn Shell)
  6.2. Numeric Variables and Arithmetic (Learning the Korn Shell)
  arithmetic: 6.2.2. Arithmetic Conditionals (Learning the Korn Shell)
    6.2.3. Arithmetic Variables and Assignment (Learning the Korn Shell)
    integer values as truth values: 9.2.3.5. Execution tracing (Learning the Korn Shell)
  arithmetic comparison operators for: 5.1.4.4. Arithmetic conditionals (Learning the Korn Shell)
  file attribute operators for: 5.1.4.3. File attribute checking (Learning the Korn Shell)
    7.3.4. eval (Learning the Korn Shell)
  in while and until constructs: 5.5. while and until (Learning the Korn Shell)
  old syntax for: 5.1.4. Condition Tests (Learning the Korn Shell)
    5.1.4.1. String comparisons (Learning the Korn Shell)
  processing text within: 5.1.4. Condition Tests (Learning the Korn Shell)
  string comparison operators for: 5.1.4.1. String comparisons (Learning the Korn Shell)
    7.2.3.3. Code blocks (Learning the Korn Shell)
conditional expressions (see expressions, conditional)
conditional statements: 8.1. Conditional Statements (sed & awk)
  11.1.3. The C Conditional Expression (sed & awk)
conditionals (see if statement)
Config command: 6.5.5. Configuring Pine (Learning Unix)
configd command: B. Command-Line Tools: The Missing Manpages (Mac OS X for Unix Geeks)
configuration files
  bash shell: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
  C shells
    reading at different times: 3.8. Setup Files Aren't Read When You Want? (Unix Power Tools)
  configure.in file (Makefile.in): 40.4. Simplifying the make Process (Unix Power Tools)
  daemons, rereading of: 24.13. Printer Queue Watcher: A Restartable Daemon Shell Script (Unix Power Tools)
  etc/inetd.conf file: 51.1. Enabling Remote Access on Mac OS X (Unix Power Tools)
  .exrc for vi editor: 17.30. Setting Up vi with the .exrc File (Unix Power Tools)
  ifconfig, for network devices: 46.3. Status and Troubleshooting (Unix Power Tools)
  kernel, device lines from: 44.3. Basic Kernel Configuration (Unix Power Tools)
  Korn shell: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
  login shells, contents of: 3.5. What Goes in Shell Setup Files? (Unix Power Tools)
  man (/etc/man.config): 2.1. The man Command (Unix Power Tools)
  named.conf: 46.9. Domain Name Service (DNS) (Unix Power Tools)
  pathnames in: 3.7. Use Absolute Pathnames in Shell Setup Files (Unix Power Tools)
  shells: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
    automatic terminal setups: 3.10. Automatic Setups for Different Terminals (Unix Power Tools)
    C shell: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
    .cshrc.$HOST file for per host setup: 3.18. A .cshrc.$HOST File for Per Host Setup (Unix Power Tools)
    system-wide setup: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
  smb.conf: 47.2. Installing and Configuring Samba (Unix Power Tools)
  sources.list: 40.6.1. Configuring the sources.list File (Unix Power Tools)
  system: 40.1. /usr/bin and Other Software Directories (Unix Power Tools)
  tcsh shell: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
  for vi editor (.exrc): 17.5. Local Settings for vi (Unix Power Tools)
  zsh shells: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
configuration files in /etc directory: A.1.1. The /etc Directory (Mac OS X for Unix Geeks)
configuration information, manipulation in DoS attacks: 48.5. What We Mean by DoS (Unix Power Tools)
configuration variables, system: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
configure command: 47.2. Installing and Configuring Samba (Unix Power Tools)
:configure command (vile): 12.6.1. Building xvile (Learning the vi Editor)
configure scripts: 4.2. Compiling Unix Source Code (Mac OS X for Unix Geeks)
configuring
  anonymous FTP server: 46.7. Configuring an Anonymous FTP Server (Unix Power Tools)
  color ls: 8.6.2. Configuring It (Unix Power Tools)
  devices, user-space tools for: 44.1. Quick Introduction to Hardware (Unix Power Tools)
  filesystem mounts: 44.5. Filesystem Types and /etc/fstab (Unix Power Tools)
  installed software packages: 40.5.6. Configuring Packages (Unix Power Tools)
  kernel: 44.3. Basic Kernel Configuration (Unix Power Tools)
  Message Transfer Agents (MTAs): 46.8. Mail — SMTP, POP, and IMAP (Unix Power Tools)
  modems: 44.10. Win Is a Modem Not a Modem? (Unix Power Tools)
  network devices with ifconfig: 44.8. Network Devices — ifconfig (Unix Power Tools)
  USB: 44.12. USB Configuration (Unix Power Tools)
  workstations with DHCP: 46.10. Dynamic Host Configuration Protocol (DHCP) (Unix Power Tools)
configuring options (see :set command)
configuring terminals: 5.1. There's a Lot to Know About Terminals (Unix Power Tools)
  finding terminal settings with stty command: 5.7. Find Out Terminal Settings with stty (Unix Power Tools)
  hung terminals, fixing: 5.6. Checklist: Terminal Hangs When I Log In (Unix Power Tools)
  querying terminal type with qterm: 5.4. Querying Your Terminal Type: qterm (Unix Power Tools)
  size of xterm windows: 5.5. Querying Your xterm Size: resize (Unix Power Tools)
  terminal type, setting: 5.3. Setting the Terminal Type When You Log In (Unix Power Tools)
  xterm: 5.9. Working with xterm and Friends (Unix Power Tools)
    copy and paste between windows: 5.21. Tips for Copy and Paste Between Windows (Unix Power Tools)
    fonts changing dynamically: 5.18. Changing Fonts Dynamically (Unix Power Tools)
    menus: 5.17. The xterm Menus (Unix Power Tools)
    xclipboard: 5.19. Working with xclipboard (Unix Power Tools)
  xterms, fonts selecting: 5.16. The Simple Way to Pick a Font (Unix Power Tools)
confirming
  file deletions with rm -i: 14.6. Remove Some, Leave Some (Unix Power Tools)
  substitutions in vi: 17.9. Confirming Substitutions in vi (Unix Power Tools)
confirming substitutions: 6.1. Confirming Substitutions (Learning the vi Editor)
connecting to Unix systems: 1.1.1. Connecting to the Unix Computer (Learning Unix)
  6.1. Remote Logins (Learning Unix)
connectivity: 46.1. TCP/IP — IP Addresses and Ports (Unix Power Tools)
  configuring anonymous FTP server: 46.7. Configuring an Anonymous FTP Server (Unix Power Tools)
  DHCP (Dynamic Host Configuration Protocol): 46.10. Dynamic Host Configuration Protocol (DHCP) (Unix Power Tools)
  diagnosing network problems with ping and traceroute: 46.4. Where, Oh Where Did That Packet Go? (Unix Power Tools)
  DNS (Domain Name Service): 46.9. Domain Name Service (DNS) (Unix Power Tools)
  /etc/services (database of well-known ports): 46.2. /etc/services Is Your Friend (Unix Power Tools)
  firewalls: 46.12. Firewalls (Unix Power Tools)
  gatewaying form personl LAN over a modem: 46.13. Gatewaying from a Personal LAN over a Modem (Unix Power Tools)
  gateways and NAT: 46.11. Gateways and NAT (Unix Power Tools)
  inetd file, managing Internet services: 46.5. The Director of Operations: inetd (Unix Power Tools)
  mail: 46.8. Mail — SMTP, POP, and IMAP (Unix Power Tools)
  SSH (Secure Shell): 46.6. Secure Shell (SSH) (Unix Power Tools)
  status and troubleshooting: 46.3. Status and Troubleshooting (Unix Power Tools)
  TCP/IP addresses and ports: 46.1. TCP/IP — IP Addresses and Ports (Unix Power Tools)
console messages, displaying during startup: 2.1. Booting Mac OS X (Mac OS X for Unix Geeks)
consoles, serial: 44.14. Decapitating Your Machine — Serial Consoles (Unix Power Tools)
constant-width fonts: 5.16. The Simple Way to Pick a Font (Unix Power Tools)
  5.18.1. VT Fonts Menu (Unix Power Tools)
  in xterm: 5.18.1. VT Fonts Menu (Unix Power Tools)
constants: B.2.5.1. Constants (sed & awk)
constants, hexadecimal (tawk): 11.3.2.1. Tawk language extensions (sed & awk)
constants, scalars defined as in Perl scripts: 41.5.1. Scalars (Unix Power Tools)
constants, setting up in shell scripts: 6.5.3. Type and Attribute Options (Learning the Korn Shell)
CONT (continue) signal: 24.10. What Are Signals? (Unix Power Tools)
context diffs: 11.3. Context diffs (Unix Power Tools)
context-sensitive global replacement: 6.2. Context-Sensitive Replacement (Learning the vi Editor)
context switches, latency utility for measuring: 8.1.3. latency (Mac OS X for Unix Geeks)
continue command: 31.6. Loop Control: break and continue (Unix Power Tools)
  35.23. Loop Control: break and continue (Unix Power Tools)
continue command (awk): 11.10. Alphabetical Summary of Functions and Commands (Unix in a Nutshell)
  20.10.7. Alphabetical Summary of Commands (Unix Power Tools)
continue command (csh): 5.8. Built-in C Shell Commands (Unix in a Nutshell)
continue command (sh, ksh): 4.9. Built-in Commands (Bourne and Korn Shells) (Unix in a Nutshell)
continue statement: 5.5.1. break and continue (Learning the Korn Shell)
  8.3. Other Statements That Affect Flow Control (sed & awk)
continued lines: 11.2.3.3. Line continuation (sed & awk)
control assignments, setting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
control characters: 1.1.8. Correcting a Command Line (Learning Unix)
  1.5. Programs Are Designed to Work Together (Unix Power Tools)
  12.4. Show Nonprinting Characters with cat -v or od -c (Unix Power Tools)
  CTRL-C: 1.4. The Unresponsive Terminal (Learning Unix)
  CTRL-D: 1.4. The Unresponsive Terminal (Learning Unix)
    5.1.1.2. The > operator (Learning Unix)
  CTRL-H: 1.1.8. Correcting a Command Line (Learning Unix)
  CTRL-J: 1.4. The Unresponsive Terminal (Learning Unix)
  CTRL-Q: 1.4. The Unresponsive Terminal (Learning Unix)
  CTRL-S: 1.4. The Unresponsive Terminal (Learning Unix)
  CTRL-Z: 1.4. The Unresponsive Terminal (Learning Unix)
    7.1. Running a Command in the Background (Learning Unix)
  Emacs and: 19.10. Inserting Binary Characters into Files (Unix Power Tools)
  ex and vi editors and: 18.6. Protecting Keys from Interpretation by ex (Unix Power Tools)
  od -c command, displying with: 12.4. Show Nonprinting Characters with cat -v or od -c (Unix Power Tools)
  quoting in Emacs: 19.10. Inserting Binary Characters into Files (Unix Power Tools)
  storing in shell variables: 37.8. Cleaning script Files (Unix Power Tools)
  X event translations: 6.4. X Event Translations (Unix Power Tools)
Control-key commands (emacs): 7.3.1. Control-Key Sequences (Unix in a Nutshell)
control keys: 1.9.5. Control Keys (Learning the Korn Shell)
  editing-mode clashes with: 2. Command-Line Editing (Learning the Korn Shell)
  emacs-mode and: 2.3.1. Basic Commands (Learning the Korn Shell)
  finger habits and: 2.6. Finger Habits (Learning the Korn Shell)
  signals and: 8.3.1. Control-Key Signals (Learning the Korn Shell)
control mode: 2.4. Vi Editing Mode (Learning the Korn Shell)
control modes, setting: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
controlling process: 24.3. Managing Processes: Overall Concepts (Unix Power Tools)
controlling programs, quitting X: 2.9. Quitting (Learning Unix)
controlling terminal: 24.6. The Controlling Terminal (Unix Power Tools)
controlling tty, write command and: 24.13. Printer Queue Watcher: A Restartable Daemon Shell Script (Unix Power Tools)
conversation between users: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
converting: 8.4.5. Making Conversions (sed & awk)
  acronym processor (example): 8.5. An Acronym Processor (sed & awk)
  case: 9.2.4. Converting Case (sed & awk)
  character sets: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  characters
    case: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    DOS to ISO: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    ISO to DOS: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    spaces to tabs: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    tabs to spaces: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  COFF and ELF files: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
  files
    string_files into msg_files: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    into tables: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    troff to PostScript: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    to Unicode: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  number units: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  numbers to strings: 7.7. System Variables (sed & awk)
CONVFMT variable: 7.7. System Variables (sed & awk)
  8.4.1. Associative Arrays (sed & awk)
Conway, Damian: 21.3. Alternatives to fmt (Unix Power Tools)
Cooper, Michael: 5.4. Querying Your Terminal Type: qterm (Unix Power Tools)
coprocesses (Korn shell): 4.2.6. Coprocesses (Unix in a Nutshell)
copy and paste
  configuring xterms for: 5.13. Simple Copy and Paste in xterm (Unix Power Tools)
  repeating command with: 28.10. Repeating a Command with Copy-and-Paste (Unix Power Tools)
  in tty-type virtual consoles: 23.12.2. Scrolling, Using a Mouse (Unix Power Tools)
  into windows running vi: 18.5. Keymaps for Pasting into a Window Running vi (Unix Power Tools)
:copy command (ex): 5.2. Editing with ex (Learning the vi Editor)
:copy-to-clipboard command (xvile): 12.6.2.4. Clipboard (Learning the vi Editor)
copying
  archives: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  archives, without asking for password: 38.9. On-Demand Incremental Backups of a Project (Unix Power Tools)
  directory trees with tar and pipes: 10.13. Copying Directory Trees with tar and Pipes (Unix Power Tools)
  everything you do into a file with script: 37.7. Copy What You Do with script (Unix Power Tools)
  files: 4.4.2. Copying Files (Learning Unix)
    4.4.6. Files on Other Operating Systems (Learning Unix)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    10.1. What's So Complicated About Copying Files (Unix Power Tools)
    10.9. Renaming, Copying, or Comparing a Set of Files (Unix Power Tools)
    between filesystems: 10.2. What's Really in a Directory? (Unix Power Tools)
    ownership of copy: 50.3. Who Will Own a New File? (Unix Power Tools)
    with remote systems: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
    remotely: 6.4. Transferring Files (Learning Unix)
      2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
      2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    scp utility: 46.6. Secure Shell (SSH) (Unix Power Tools)
  files to different directories: 36.18. Shell Scripts On-the-Fly from Standard Input (Unix Power Tools)
  lines from standard input: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
  links: 10.12. Copying Directory Trees with cp -r (Unix Power Tools)
  remote files, shortcut for: 28.4. Build Strings with { } (Unix Power Tools)
  standard input: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
    2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  text with vi editor: 17.6. Using Buffers to Move or Copy Text (Unix Power Tools)
  xterm windows and: 2.4.2. Using a Mouse with xterm Windows (Learning Unix)
copying files into other files: 5.4. Copying a File into Another File (Learning the vi Editor)
copying programs: 10.7.1. Make a Copy (sed & awk)
copying text: 2.3.7. Copying Text (Learning the vi Editor)
  between xterm windows: 5.21. Tips for Copy and Paste Between Windows (Unix Power Tools)
  button combinations for selecting in xterms: 5.13. Simple Copy and Paste in xterm (Unix Power Tools)
  by lines: 5.2. Editing with ex (Learning the vi Editor)
  named deletion/yank buffers: 4.3.2. Yanking to Named Buffers (Learning the vi Editor)
    5.5.5. Edits Between Files (Learning the vi Editor)
  xclipboard, using in xterms: 5.19. Working with xclipboard (Unix Power Tools)
  yank-and-put: 2.3. Simple Edits (Learning the vi Editor)
    named deletion/yank buffers: 4.3. Making Use of Buffers (Learning the vi Editor)
    numbered deletion/yank buffers: 2.3.6. Moving Text (Learning the vi Editor)
      4.3. Making Use of Buffers (Learning the vi Editor)
core dumps: 8.3.1. Control-Key Signals (Learning the Korn Shell)
  8.4. trap (Learning the Korn Shell)
  8.6.2. Subshells (Learning the Korn Shell)
  10.2.2. ulimit (Learning the Korn Shell)
  eliminating entirely: 15.5.1. limit and ulimit (Unix Power Tools)
  files, wildcard matching and: 33.4. What if a Wildcard Doesn't Match? (Unix Power Tools)
  limiting file size: 15.5.1. limit and ulimit (Unix Power Tools)
  QUIT signal, creating with: 24.11. Killing Foreground Jobs (Unix Power Tools)
core flavors of Unix: 1.3. The Core of Unix (Unix Power Tools)
core images, creating: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
coroutines: 8. Process Handling (Learning the Korn Shell)
  8.5. Coroutines (Learning the Korn Shell)
  advantages/disadvantages of: 8.5.2. Advantages and Disadvantages of Coroutines (Learning the Korn Shell)
  on multiple-CPU computers: 8.5.3. Parallelization (Learning the Korn Shell)
  pipelines as example of: 8.5. Coroutines (Learning the Korn Shell)
  with two-way pipes: 8.5.4. Coroutines with Two-Way Pipes (Learning the Korn Shell)
corrupt files: 38.5.4. To gzip, or Not to gzip? (Unix Power Tools)
cos( ): 9.1.1. Trigonometric Functions (sed & awk)
cos command (awk): 20.10.7. Alphabetical Summary of Commands (Unix Power Tools)
cos function (awk): 11.10. Alphabetical Summary of Functions and Commands (Unix in a Nutshell)
COSE standards: 10.4.1. The Session File (Learning the vi Editor)
count command: 37.9. Making an Arbitrary-Size File for Testing (Unix Power Tools)
counters in for loops: 8.2.3. For Loop (sed & awk)
counting
  characters, lines, and words in files: 16.6. Counting Lines, Words, and Characters: wc (Unix Power Tools)
counting occurrences with vi editor: 17.15. Counting Occurrences; Stopping Search Wraps (Unix Power Tools)
count.it script: 16.6. Counting Lines, Words, and Characters: wc (Unix Power Tools)
cp command: 1.7.2. I/O Redirection (Learning the Korn Shell)
  1.6.7. Working with Files and Directories (Mac OS X for Unix Geeks)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  1.21. Unix Networking and Communications (Unix Power Tools)
  1.21. Unix Networking and Communications (Unix Power Tools)
  -p option: 50.15. How to Change File Ownership Without chown (Unix Power Tools)
  exit status: 35.12. Exit Status of Unix Processes (Unix Power Tools)
  i option: 10.9. Renaming, Copying, or Comparing a Set of Files (Unix Power Tools)
cp program: 3.3.5. Changing Group and Owner (Learning Unix)
  4.4.2.1. cp (Learning Unix)
cpio command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  38.13. The cpio Tape Archiver (Unix Power Tools)
cpio operator (find command): 14.17. Deleting Stale Files (Unix Power Tools)
cpio tool: 1.6.8. File Compression and Storage (Mac OS X for Unix Geeks)
cpio utility: 38.5.4. To gzip, or Not to gzip? (Unix Power Tools)
cplutil tool: 1.6.2. Apple's Command-line Developer Tools (Mac OS X for Unix Geeks)
CpMac tool: 1.6.2. Apple's Command-line Developer Tools (Mac OS X for Unix Geeks)
cpoption option (vim): 11.8.3. Infinite Undo (Learning the vi Editor)
cpp (GNU C preprocessor): 4.2.4. Preprocessing (Mac OS X for Unix Geeks)
  caution with: 5.1.1. Precompiled Header Files (Mac OS X for Unix Geeks)
cpp-precomp (precompilation preprocessor): 4.2.4. Preprocessing (Mac OS X for Unix Geeks)
  caution with: 5.1.1. Precompiled Header Files (Mac OS X for Unix Geeks)
  vs. PFE mechanism: 5.1.1.1. PFE precompilation (Mac OS X for Unix Geeks)
:cPrevious (:cP) command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
cps shell function: 29.14. Simulated Bourne Shell Functions and Aliases (Unix Power Tools)
CPU
  listing usage by processes: 24.5. The ps Command (Unix Power Tools)
  /proc/cpuinfo file: 24.9.5. A Glimpse at Hardware (Unix Power Tools)
CPU-bound process: 26.1. Timing Is Everything (Unix Power Tools)
  lowering scheduling priority with nice: 26.5. Know When to Be "nice" to Other Users...and When Not To (Unix Power Tools)
CPU time: 26.2. Timing Programs (Unix Power Tools)
CPUs (central processing units): 8.5.2. Advantages and Disadvantages of Coroutines (Learning the Korn Shell)
:cquit (:cq) command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
cr values (lptype option): 10.10.1. Display Modes (Learning the vi Editor)
crackers: 6.1.1. About Security (Learning Unix)
  changing passwords and: 3.6. Changing Your Password (Learning Unix)
CRCs (cyclic redundancy checks): 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
create function (tar): 39.2. Using tar to Create and Unpack Archives (Unix Power Tools)
create pseudo-command (sccs): 18.7.2. Pseudo-Commands (Unix in a Nutshell)
creating
  hosts: 3.9.1. Creating a Host with niload (Mac OS X for Unix Geeks)
  packages: 6.2. Creating Fink Packages (Mac OS X for Unix Geeks)
  static libraries: 5.5. Creating and Linking Static Libraries (Mac OS X for Unix Geeks)
  Terminals: 1.3.1. Launching Terminals (Mac OS X for Unix Geeks)
  user properties: 3.8.4. Modifying a User (Mac OS X for Unix Geeks)
  users: 3.8.1. Creating a User with niload (Mac OS X for Unix Geeks)
creating directories: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
:crewind command (vim): 11.9.1. Edit-Compile Speedup (Learning the vi Editor)
cron command: 12.11. GNU tail File Following (Unix Power Tools)
  25.2.1. Execution Scheduling (Unix Power Tools)
cron daemon: 25.2.1. Execution Scheduling (Unix Power Tools)
cron jobs: 2.3. Scheduling Tasks (Mac OS X for Unix Geeks)
cron system: 25.1. Building Software Robots the Easy Way (Unix Power Tools)
  25.2. Periodic Program Execution: The cron Facility (Unix Power Tools)
  crontab entries, adding: 25.3. Adding crontab Entries (Unix Power Tools)
  execution scheduling: 25.2.1. Execution Scheduling (Unix Power Tools)
  Expect scripts, using: 28.18.4. Other Problems (Unix Power Tools)
  jobs, running on system environment: 25.2. Periodic Program Execution: The cron Facility (Unix Power Tools)
  limiting file size: 15.5.2. Other Ideas (Unix Power Tools)
  standard input, including in cron entry: 25.4. Including Standard Input Within a cron Entry (Unix Power Tools)
  trash directory, cleaning out: 14.9. Safe Delete: Pros and Cons (Unix Power Tools)
crontab command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  25.3. Adding crontab Entries (Unix Power Tools)
crontab entries: 25.2.1. Execution Scheduling (Unix Power Tools)
  25.2.1. Execution Scheduling (Unix Power Tools)
  adding: 25.3. Adding crontab Entries (Unix Power Tools)
  editing: 25.3. Adding crontab Entries (Unix Power Tools)
  example: 25.2.1. Execution Scheduling (Unix Power Tools)
  removing: 25.3. Adding crontab Entries (Unix Power Tools)
  time fields: 25.2.1. Execution Scheduling (Unix Power Tools)
crontab files: 25.2.1. Execution Scheduling (Unix Power Tools)
  find commands, adding to: 14.17. Deleting Stale Files (Unix Power Tools)
  personal: 25.8. Avoiding Other at and cron Jobs (Unix Power Tools)
crontab system
  -e option, finding your files with wrong permissions: 50.2.1. User, Group, and World (Unix Power Tools)
crontab.local file: 25.3. Adding crontab Entries (Unix Power Tools)
cross references: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
  2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
cross-referencing scheme: 1.1. May You Solve Interesting Problems (sed & awk)
crypt algorithm: B.1. Introduction (Unix in a Nutshell)
crypt command: B.2. Alphabetical Summary of Commands (Unix in a Nutshell)
cryptdir script: 28.18.2. Automating /bin/passwd (Unix Power Tools)
cryptography, keys, problems with on SSH: 51.6. Key and Agent Problems (Unix Power Tools)
cscope command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
cscope program: 9.8.2. Tag Stacks (Learning the vi Editor)
csh (C) shell: 1.1.3. The Unix Shell (Learning Unix)
.csh filename extension: 1.12. Filename Extensions (Unix Power Tools)
csh shell: 1.3. History of Unix Shells (Learning the Korn Shell)
  1.4. Four Hurdles to Mastering sed and awk (sed & awk)
  2.3.1. Specifying Simple Instructions (sed & awk)
  1.6. There Are Many Shells (Unix Power Tools)
csh time variable: 26.2. Timing Programs (Unix Power Tools)
.cshdirs file for tcsh shells: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
.cshrc file: 3.5.2. The Environment File (Learning the Korn Shell)
  5.2.1. Special Files (Unix in a Nutshell)
  5.3.4. Example .cshrc File (Unix in a Nutshell)
  3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
  3.8. Setup Files Aren't Read When You Want? (Unix Power Tools)
  cd aliases in: 31.9. Quick cds with Aliases (Unix Power Tools)
  color, setting in: 8.6. Color ls (Unix Power Tools)
  if (! $?prompt) exit test: 3.9. Gotchas in set prompt Test (Unix Power Tools)
  multiline prompt showing directory stack: 4.14. dirs in Your Prompt: Better Than $cwd (Unix Power Tools)
  prompt setting: 4.7. Multiline Shell Prompts (Unix Power Tools)
  set echo verbose command: 5.6. Checklist: Terminal Hangs When I Log In (Unix Power Tools)
  setuid shell scripts and: 10.4.4. Setuid and Privileged Mode (Learning the Korn Shell)
.cshrc file, caution in presence of .tcshrc file: 1.5.1. Customizing the tcsh Shell (Mac OS X for Unix Geeks)
.cshrc files, tcsh shells, use of: 3.3. Shell Setup Files — Which, Where, and Why (Unix Power Tools)
.cshrc.$HOST file: 3.18. A .cshrc.$HOST File for Per Host Setup (Unix Power Tools)
CSHRC_READ environment variable: 3.9. Gotchas in set prompt Test (Unix Power Tools)
($?CSHRC_READ) prompt test: 3.9. Gotchas in set prompt Test (Unix Power Tools)
csplit command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
csplit program: 21.10. Splitting Files by Context: csplit (Unix Power Tools)
  -f option: 21.10. Splitting Files by Context: csplit (Unix Power Tools)
  -s option: 21.10. Splitting Files by Context: csplit (Unix Power Tools)
ctags command: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
ctags command (UNIX): 7.5.3. Using Tags (Learning the vi Editor)
  Exuberant ctags program: 8.5. Enhanced Tags (Learning the vi Editor)
    9.8.2. Tag Stacks (Learning the vi Editor)
    10.8.2. Tag Stacks (Learning the vi Editor)
  tag stacks: 8.5.3. Tag Stacks (Learning the vi Editor)
    elvis editor: 10.8.2. Tag Stacks (Learning the vi Editor)
    nvi editor: 9.8.2. Tag Stacks (Learning the vi Editor)
    Solaris vi: 7.5.3. Using Tags (Learning the vi Editor)
      8.5.3.1. Solaris vi (Learning the vi Editor)
    vile editor: 12.8.2. Tag Stacks (Learning the vi Editor)
    vim editor: 11.8.2. Tag Stacks (Learning the vi Editor)
CTAN (Comprehensive TEX Archive Network): 45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On (Unix Power Tools)
ctime (change time for files): 8.2. The Three Unix File Times (Unix Power Tools)
ctime command, time conversion routines: 37.6. How Unix Keeps Time (Unix Power Tools)
-ctime operator (findcommand): 9.7. The Times That find Finds (Unix Power Tools)
ctrace commands: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
CTRL -\ (to quit): 5.6.5. Aborting Programs (Unix Power Tools)
CTRL-[ command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL- commands
  CTRL-A (completion; vim): 11.8.1. Command-Line History and Completion (Learning the vi Editor)
  CTRL-A CTRL-] (next tag; vile): 12.8.2. Tag Stacks (Learning the vi Editor)
  CTRL-@: 2.3.8.1. Repeat (Learning the vi Editor)
  CTRL-B, CTRL-F (scrolling): 3.1.1. Scrolling the Screen (Learning the vi Editor)
  CTRL-] (find tag): 8.5.3. Tag Stacks (Learning the vi Editor)
    9.8.2. Tag Stacks (Learning the vi Editor)
    10.8.2. Tag Stacks (Learning the vi Editor)
    11.8.2. Tag Stacks (Learning the vi Editor)
    12.8.2. Tag Stacks (Learning the vi Editor)
  CTRL-^ command: 5.5.4. Switching Files from vi (Learning the vi Editor)
  CTRL-D (completion; vim): 11.8.1. Command-Line History and Completion (Learning the vi Editor)
  CTRL-D, CTRL-U (scrolling): 3.1.1. Scrolling the Screen (Learning the vi Editor)
  CTRL-E, CTRL-Y (scrolling): 3.1.1. Scrolling the Screen (Learning the vi Editor)
  CTRL-G (display line numbers): 3.4. Movement by Line Number (Learning the vi Editor)
    5.2.2. Defining a Range of Lines (Learning the vi Editor)
  CTRL-L (completion; vim): 11.8.1. Command-Line History and Completion (Learning the vi Editor)
  CTRL-L, CTRL-R (redrawing): 3.1.3. Redrawing the Screen (Learning the vi Editor)
  CTRL-N (completion; vim): 11.8.1. Command-Line History and Completion (Learning the vi Editor)
    11.8.1. Command-Line History and Completion (Learning the vi Editor)
  CTRL-P (completion; vim): 11.8.1. Command-Line History and Completion (Learning the vi Editor)
    11.8.1. Command-Line History and Completion (Learning the vi Editor)
  CTRL-T CTRL-X CTRL-] (next tag; vile): 12.8.2. Tag Stacks (Learning the vi Editor)
  CTRL-T (find tag): 8.5.3.1. Solaris vi (Learning the vi Editor)
    9.8.2. Tag Stacks (Learning the vi Editor)
    10.8.2. Tag Stacks (Learning the vi Editor)
    11.8.2. Tag Stacks (Learning the vi Editor)
  CTRL-V: 7.3.3. Protecting Keys from Interpretation by ex (Learning the vi Editor)
  CTRL-V command (elvis block mode): 10.8.6. Visual Mode (Learning the vi Editor)
  CTRL-V command (vim block mode): 11.8.7. Visual Mode (Learning the vi Editor)
  CTRL-W commands
    elvis vi-mode window commands: 10.5. Multiwindow Editing (Learning the vi Editor)
    nvi window cycle commands: 9.5. Multiwindow Editing (Learning the vi Editor)
    vim file searching commands: 11.10.2.2. Include file searching (Learning the vi Editor)
    vim vi-mode window commands: 11.5. Multiwindow Editing (Learning the vi Editor)
      11.5. Multiwindow Editing (Learning the vi Editor)
  CTRL-X completion commands (vim): 11.8.1. Command-Line History and Completion (Learning the vi Editor)
  CTRL-X CTRL-R, CTRL-X CTRL-L (scroll; vile): 8.6.5. Left-Right Scrolling (Learning the vi Editor)
  CTRL-X CTRL-S, CTRL-X CTRL-R (search; vile): 8.6.4. Incremental Searching (Learning the vi Editor)
CTRL-A command: 2.3.3. Line Commands (Learning the Korn Shell)
CTRL-B command: 2.3.1. Basic Commands (Learning the Korn Shell)
  2.3.1. Basic Commands (Learning the Korn Shell)
CTRL-c command
  aborting programs: 5.6.5. Aborting Programs (Unix Power Tools)
  canceling commands with: 30.14. Shell Command-Line Editing (Unix Power Tools)
  INT signal, sending: 24.11. Killing Foreground Jobs (Unix Power Tools)
  killing foreground job: 23.1. Job Control in a Nutshell (Unix Power Tools)
CTRL-command, sending QUIT signal: 24.11. Killing Foreground Jobs (Unix Power Tools)
CTRL-d command
  ending scripts: 37.7. Copy What You Do with script (Unix Power Tools)
  exiting Bourne shell: 27.3.5. Bourne Shell Used Here (Unix Power Tools)
CTRL-d (end-of-input character): 24.4. Subshells (Unix Power Tools)
CTRL-E command: 2.3.3. Line Commands (Learning the Korn Shell)
CTRL-F command: 2.3.1. Basic Commands (Learning the Korn Shell)
  2.3.1. Basic Commands (Learning the Korn Shell)
CTRL-g in Emacs, canceling entire operation: 19.2. Emacs Features: A Laundry List (Unix Power Tools)
CTRL-H command: 1.9.5. Control Keys (Learning the Korn Shell)
  2.3.1. Basic Commands (Learning the Korn Shell)
CTRL-J command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-K command: 2.3.3. Line Commands (Learning the Korn Shell)
CTRL key
  specifying with stty command: 5.8. Setting Your Erase, Kill, and Interrupt Characters (Unix Power Tools)
CTRL-L command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
  2.4.7. Miscellaneous Commands (Learning the Korn Shell)
CTRL-L command (less): 3.2. Looking Inside Files with less (Learning Unix)
Ctrl-M character: 1.19. When Is a File Not a File? (Unix Power Tools)
CTRL-M command: 1.9.5. Control Keys (Learning the Korn Shell)
  2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-N command: 2.3.4. Moving Around in the History File (Learning the Korn Shell)
CTRL-O command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-P command: 2.3.4. Moving Around in the History File (Learning the Korn Shell)
CTRL-q command
  killing processes: 24.18. Cleaning Up an Unkillable Process (Unix Power Tools)
CTRL-q command, restarting stopped output: 5.6.1. Output Stopped? (Unix Power Tools)
CTRL-q (Emacs quoting command): 19.10. Inserting Binary Characters into Files (Unix Power Tools)
CTRL-R command: 2.3.4. Moving Around in the History File (Learning the Korn Shell)
CTRL-r (reprint) character: 28.2. Reprinting Your Command Line with CTRL-r (Unix Power Tools)
CTRL-s command: 24.18. Cleaning Up an Unkillable Process (Unix Power Tools)
  stopping output: 5.6.1. Output Stopped? (Unix Power Tools)
CTRL-T command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-U command: 1.9.5. Control Keys (Learning the Korn Shell)
  2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-v
  escaping keys in vi mappings: 18.6. Protecting Keys from Interpretation by ex (Unix Power Tools)
CTRL-V command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
  2.4.7. Miscellaneous Commands (Learning the Korn Shell)
CTRL-W command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-]x command: 2.3.6. Miscellaneous Commands (Learning the Korn Shell)
CTRL-X CTRL-E command: 2.3.6. Miscellaneous Commands
(Learning the Korn Shell)
CTRL-X CTRL-X command: 2.3.6. Miscellaneous Commands
(Learning the Korn Shell)
CTRL-x in Emacs macros: 19.2. Emacs Features: A Laundry List
(Unix Power Tools)
CTRL-Y command: 2.3.1. Basic Commands
(Learning the Korn Shell)
  retrieving words with: 2.3.2. Word Commands
(Learning the Korn Shell)
CTRL-z command: 23.1. Job Control in a Nutshell (Unix Power Tools)
  23.2.2. Using Job Control from Your Shell
(Unix Power Tools)
23.4. Some Gotchas with Job Control (Unix Power Tools)
24.10. What Are Signals? (Unix Power Tools)
putting jobs in background: 5.6.3. Program Waiting for Input? (Unix Power Tools)
stopping a subshell: 24.4. Subshells
(Unix Power Tools)
CTRL -v
temporarily disabling vi keymaps: 18.10. Typing in Uppercase Without CAPS LOCK
(Unix Power Tools)
cu command: B.2. Alphabetical Summary of Commands
(Unix in a Nutshell)
cu program: 6.1. Remote Logins
(Learning Unix)
CUPS (Common Unix Printing System): 45.18. The Common Unix Printing System (CUPS)
(Unix Power Tools)
curl application: 40.8. The curl Application and One-Step GNU-Darwin Auto-Installer for OS X
(Unix Power Tools)
  40.8. The curl Application and One-Step GNU-Darwin Auto-Installer for OS X
(Unix Power Tools)
curl utility: 6.2.2. Creating and Publishing the Tarball (Mac OS X for Unix Geeks)
  6.2.2. Creating and Publishing the Tarball
(Mac OS X for Unix Geeks)
curly braces (see braces)
curly braces ({ }): 4.2.2. More on Variable Syntax
(Learning the Korn Shell)
  { (move cursor) command: 3.2. Movement by Text Blocks
(Learning the vi Editor)
} (move cursor) command: 3.2. Movement by Text Blocks (Learning the vi Editor)
finding and matching: 7.5.2. A Special Search Command
(Learning the vi Editor)
metacharacters: 8.4. Extended Regular Expressions
(Learning the vi Editor)
  9.7. Extended Regular Expressions
(Learning the vi Editor)
current date/time: 2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
current directories: 3.1.2. Your Working Directory
(Learning Unix)
current directory: 1.6.1.1. The working directory
(Learning the Korn Shell)
  1.16. Making Pathnames
(Unix Power Tools)
4.14. dirs in Your Prompt: Better Than $cwd (Unix Power Tools)
10.2. What's Really in a Directory? (Unix Power Tools)
24.3. Managing Processes: Overall Concepts (Unix Power Tools)
advantages of: 31.3. What Good Is a Current Directory? (Unix Power Tools)
alias for, storing in shell variable: 31.12. Marking Your Place with a Shell Variable
(Unix Power Tools)
determining group file ownership: 50.2.2. Which Group is Which?
(Unix Power Tools)
finding: 31.4. How Does Unix Find Your Current Directory?
(Unix Power Tools)
in C-shell status line: 4.8. Session Info in Window Title or Status Line
(Unix Power Tools)
links to: 10.4.2. Links to a Directory
(Unix Power Tools)
PWD environment variable: 35.5. Predefined Environment Variables
(Unix Power Tools)
quick finds in: 9.26. Quick finds in the Current Directory
(Unix Power Tools)
in shell prompts: 4.4. Simulating Dynamic Prompts
(Unix Power Tools)
  dirs command output, using: 4.14. dirs in Your Prompt: Better Than $cwd
(Unix Power Tools)
multiline C-shell prompt: 4.7. Multiline Shell Prompts (Unix Power Tools)
current file, % for: 5.5.3. Calling in New Files
(Learning the vi Editor)
current job: 23.3. Using jobs Effectively
(Unix Power Tools)
  23.5. The "Current Job" Isn't Always What You Expect
(Unix Power Tools)
current line (ex)
  . symbol for: 5.2.3. Line Addressing Symbols
(Learning the vi Editor)
redefining: 5.2.5. Redefining the Current Line Position (Learning the vi Editor)
current process
statistics on: 24.9.3. Statistics of the Current Process
(Unix Power Tools)
current system name: 2.1. Alphabetical Summary of Commands
(Unix in a Nutshell)
currently selected links, (Lynx): 6.3. Lynx, a Text-based Web Browser
(Learning Unix)
curses screen library: 5.2. The System Library: libSystem
(Mac OS X for Unix Geeks)
cursor: 2.3.6. Miscellaneous Commands
(Learning the Korn Shell)
  click to position option for: 1.3.2. Customizing the Terminal
(Mac OS X for Unix Geeks)
editing commands for (vi mode): 1.5.3.2. vi mode (Mac OS X for Unix Geeks)
positioning commands for (Emacs mode): 1.5.3.1. Emacs mode
(Mac OS X for Unix Geeks)
cursor for xterm windows (see pointer
)
cursor-movement commands (emacs): 7.2.2. Cursor-Movement Commands
(Unix in a Nutshell)
cursor, moving: 2.2. Moving the Cursor
(Learning the vi Editor)
  2.6. Review of Basic vi Commands
(Learning the vi Editor)
3.1.4. Movement Within a Screen (Learning the vi Editor)
commands for: 3.5. Review of vi Motion Commands (Learning the vi Editor)
  A. Quick Reference
(Learning the vi Editor)
to marks: 4.4. Marking Your Place (Learning the vi Editor)
opening files at specific place: 4.2.1. Advancing to a Specific Place
(Learning the vi Editor)
by searching for patterns: 3.3. Movement by Searches
(Learning the vi Editor)
  3.4. Movement by Line Number
(Learning the vi Editor)
by text blocks: 2.2.4. Movement by Text Blocks (Learning the vi Editor)
  3.2. Movement by Text Blocks
(Learning the vi Editor)
vim commands for (programming): 11.10.2.3. Cursor motion commands for programming (Learning the vi Editor)
xvile interface: 12.6.2.2. Setting the cursor position and mouse motions
(Learning the vi Editor)
cursors: 2.4.1. Pointer Shape
(Learning Unix)
  moving in vi text-input mode without arrow keys: 18.11. Text-Input Mode Cursor Motion with No Arrow Keys
(Unix Power Tools)
custom commands, creating: 29.1. Creating Custom Commands (Unix Power Tools)
  Bourne-type aliases: 29.4. Setting and Unsetting Bourne-Type Aliases
(Unix Power Tools)
if-then-else, putting in C shell alias: 29.9. How to Put if-then-else in a C-Shell Alias (Unix Power Tools)
Korn shell aliases: 29.5. Korn-Shell Aliases
(Unix Power Tools)
propagating shell functions: 29.13. Propagating Shell Functions
(Unix Power Tools)
  exporting bash functions: 29.13.1. Exporting bash Functions
(Unix Power Tools)
FPATH search path: 29.13.2. FPATH Search Path (Unix Power Tools)
shell functions: 29.11. Shell Function Basics
(Unix Power Tools)
  functions calling functions: 29.11.4. Functions Calling Functions: Factorials
(Unix Power Tools)
loops, using: 29.11.2. Functions with Loops: Internet Lookup (Unix Power Tools)
simulating in Bourne shell: 29.14. Simulated Bourne Shell Functions and Aliases
(Unix Power Tools)
sourceable scripts: 29.7. Sourceable Scripts
(Unix Power Tools)
zsh aliases: 29.6. zsh Aliases
(Unix Power Tools)
customization
Emacs: 19.2. Emacs Features: A Laundry List
(Unix Power Tools)
  19.7. Mike's Favorite Timesavers
(Unix Power Tools)
and how to avoid: 19.3. Customizations and How to Avoid Them (Unix Power Tools)
searches: 19.8. Rational Searches
(Unix Power Tools)
customizing
accounts: 3.7. Customizing Your Account
(Learning Unix)
programming the shell: 8.3. Programming
(Learning Unix)
X Window System: 6.3. X Resource Syntax
(Unix Power Tools)
customizing editing environment: 7.1. Customizing vi
(Learning the vi Editor)
customizing functions: 9.3. Writing Your Own Functions
(sed & awk)
customizing login session: 3.2.2. Customization of Your Unix Session
(Unix in a Nutshell)
cut-and-paste: 2.3. Simple Edits
(Learning the vi Editor)
  2.3.6. Moving Text
(Learning the vi Editor)
cut command: 1.7.1. Standard I/O (Learning the Korn Shell)
  1.7.3. Pipelines
(Learning the Korn Shell)
1.7.3. Pipelines (Learning the Korn Shell)
4.6. Command Substitution (Learning the Korn Shell)
4.6. Command Substitution (Learning the Korn Shell)
2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
2.1. Alphabetical Summary of Commands (Unix in a Nutshell)
2.4. Searching Online Manual Pages (Unix Power Tools)
21.14. Cutting Columns or Fields (Unix Power Tools)
35.25.2. Setting (and Parsing) Parameters (Unix Power Tools)
36.23.2. Using echo with awk or cut (Unix Power Tools)
-c (extract columns): 4.6. Command Substitution (Learning the Korn Shell)
-d (field delimiter): 4.6. Command Substitution
(Learning the Korn Shell)
awk command and: 4.6. Command Substitution
(Learning the Korn Shell)
  7.3.3. Quoting
(Learning the Korn Shell)
using to access user account information: 7.1.1. Here-Documents (Learning the Korn Shell)
who command output, cutting: 28.14. Command Substitution
(Unix Power Tools)
cut tool: 1.6.5. Text Editing and Processing
(Mac OS X for Unix Geeks)
cutting and pasting text
between vi's: 17.24. Using vi Abbreviations as Commands (Cut and Paste Between vi's)
(Unix Power Tools)
cvs
CVSROOT environment variable: 39.7. CVS Basics
(Unix Power Tools)
  39.8. More CVS
(Unix Power Tools)
CVS_RSH environment variable: 39.8. More CVS (Unix Power Tools)
remote repositories: 39.8. More CVS
(Unix Power Tools)
repositories: 39.8. More CVS
(Unix Power Tools)
CVS archive, obtaining/using source code from: 7.2. Getting the Source Code
(Mac OS X for Unix Geeks)
CVS (Concurrent Version Control) system: 20.6. Change Many Files by Editing Just One
(Unix Power Tools)
CVS (Concurrent Version System): 39.7. CVS Basics
(Unix Power Tools)
  archiving files: 39.4. Managing and Sharing Files with RCS and CVS
(Unix Power Tools)
cvs add command: 39.7. CVS Basics (Unix Power Tools)
cvs checkout command: 39.7. CVS Basics
(Unix Power Tools)
cvs commit command: 39.7. CVS Basics
(Unix Power Tools)
cvs diff: 39.7. CVS Basics
(Unix Power Tools)
cvs import command: 39.7. CVS Basics
(Unix Power Tools)
cvs init command: 39.7. CVS Basics
(Unix Power Tools)
cvs log command: 39.7. CVS Basics
(Unix Power Tools)
  conflicting change, examining log message on: 39.8. More CVS
(Unix Power Tools)
cvs remove command: 39.7. CVS Basics (Unix Power Tools)
cvs update command: 39.7. CVS Basics
(Unix Power Tools)
cvsroot directory for archive storage: 39.7. CVS Basics
(Unix Power Tools)
cvs diff command: 11.3. Context diffs
(Unix Power Tools)
CVS tags: 7.2.2. Getting the Right Version
(Mac OS X for Unix Geeks)
cvs tool: 1.6.1. Standard Unix Development Tools
(Mac OS X for Unix Geeks)
cvs-wrap/cvs-unwrap tools: 1.6.2. Apple's Command-line Developer Tools
(Mac OS X for Unix Geeks)
CVSROOT environment variable: 39.7. CVS Basics
(Unix Power Tools)
  39.8. More CVS
(Unix Power Tools)
CVS_RSH environment variable: 39.8. More CVS (Unix Power Tools)
CVSWeb archive (Darwin): 7.2.2. Getting the Right Version
(Mac OS X for Unix Geeks)
cwd shell variable: 5.3.3. Predefined Shell Variables
(Unix in a Nutshell)
  4.14. dirs in Your Prompt: Better Than $cwd
(Unix Power Tools)
cwdcmd alias for tcsh shell status line updates: 4.8. Session Info in Window Title or Status Line (Unix Power Tools)
cx script: 50.8. cx, cw, c-w: Quick File Permission Changes
(Unix Power Tools)
cxref command: 2.1. Alphabetical Summary of Commands
(Unix in a Nutshell)
cyclic redundancy checks (CRCs): 2.1. Alphabetical Summary of Commands
(Unix in a Nutshell)
cygwin environment: A.9.1. Cygwin
(Learning the Korn Shell)
Cygwin software: 8.4.1. Under Microsoft Windows
(Learning Unix)

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